ExamStats.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Loading the json with the grade data:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import json\n",
    "with open('grades.json', 'rb') as f:\n",
    "    data = json.load(f)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Extracting the relevant information out of the json for one course:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "def build_dict(course): \n",
    "        d = {\n",
    "            'course_name_de': course['content']['achievementDto']['cpCourseLibDto']['courseTitle']['value'], \n",
    "            'course_name_en': course['content']['achievementDto']['cpCourseLibDto']['courseTitle']['translations']['translation'][1]['value'], \n",
    "            'ects': course['content']['achievementDto']['credits'], \n",
    "            'semester_code': course['content']['achievementDto']['semesterLibDto']['key'], \n",
    "            'semester_name_de': course['content']['achievementDto']['semesterLibDto']['semesterDesignation']['value'], \n",
    "            'semester_name_en': course['content']['achievementDto']['semesterLibDto']['semesterDesignation']\n",
    "            ['translations']['translation'][1]['value'], \n",
    "            'semester_start_date': course['content']['achievementDto']['semesterLibDto']['startOfAcademicSemester']['value'], \n",
    "            'semester_end_date': course['content']['achievementDto']['semesterLibDto']['endOfAcademicSemester']['value'], \n",
    "            'grade_date': course['content']['achievementDto']['achievementDate']['value'], \n",
    "            'grade_name_de': course['content']['achievementDto']['gradeDto']['name']['value'], \n",
    "            'grade_name_en': course['content']['achievementDto']['gradeDto']['name']['translations']['translation'][1]['value'], \n",
    "        }\n",
    "        try:\n",
    "            d['id'] = course['content']['achievementDto']['cpCourseLibDto']['id']\n",
    "            d['course_number'] = course['content']['achievementDto']['cpCourseLibDto']['courseNumber']['courseNumber']\n",
    "            d['grade'] = course['content']['achievementDto']['gradeDto']['value']\n",
    "        except KeyError:\n",
    "            d['id'] = 'Not A Course' # Thesis, Kolloquium\n",
    "            d['course_number'] = 'Not A Course'\n",
    "            d['grade'] = course['content']['achievementDto']['gradeDto']['key'].replace(',', '.')\n",
    "        return d"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Creating a list of dicts, each dict containing the info for one course."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "dicts = [build_dict(course) for course in data['resource'] if course['content']['achievementDto']['achievementStatusType'] == 'FINAL']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "No statistics file for  Safe Execution of WebAssembly during Query Processing\n",
      "Empty statistics file for  Bachelor's Colloquium\n"
     ]
    }
   ],
   "source": [
    "import pandas as pd\n",
    "\n",
    "\n",
    "possible_grades = ['1.0', '1.3', '1.4', '1.7', '2.0', '2.3', '2.4', '2.7', '3.0', '3.3', '3.4', '3.7', '4.0', '4.3', '4.7', '5.0']\n",
    "standard_possible_grades = ['1.0', '1.3', '1.7', '2.0', '2.3', '2.7', '3.0', '3.3', '3.7', '4.0', '4.3', '4.7', '5.0']\n",
    "all_possible_grades = possible_grades + ['did_not_show_up']\n",
    "\n",
    "for d in reversed(dicts): # iterating in reverse order so we can remove elements while iterating.\n",
    "    # University regulation: written exams from first semester are weighted half the points.\n",
    "    d['grade_weight'] = d['ects']\n",
    "    if ('Discrete Structures' in d['course_name_en'] \n",
    "        or 'Introduction to Informatics' in d['course_name_en']\n",
    "        or 'Computer Organization' in d['course_name_en']\n",
    "       ):\n",
    "        d['grade_weight'] >>= 1 # divide by 2 but leave as int (known to all be devisable by 2)\n",
    "    # read the json file to a dict\n",
    "    try:\n",
    "        d.update((grade, 0) for grade in all_possible_grades) # All courses get all grades, also if 0 students that grade.\n",
    "        with open(f'json_stats/{d[\"id\"]}.json', 'rb') as f:\n",
    "            j = json.load(f)\n",
    "        ge = pd.DataFrame(j['gradeEntries'])\n",
    "        groupby_cols = ['gradeShortName']\n",
    "        if 'gradeCommentName' in ge:\n",
    "            groupby_cols.append('gradeCommentName')\n",
    "        se = ge.fillna('').groupby(groupby_cols).count()['id']\n",
    "        se.index = se.index.map(''.join)  # From MultiIndex to normal index.\n",
    "        se.index = se.index.str.replace(',', '.')  # From German format to normal float format.\n",
    "        se.index = se.index.str.replace('5.0Nicht erschienen', 'did_not_show_up')\n",
    "        se['5.0'] = se.get('5.0',0) + se.get('5.0Ungültig/Täuschung', 0)\n",
    "        se['did_not_show_up'] = se.get('did_not_show_up',0) + se.get('QRücktritt mit anerkanntem Grund', 0) + se.get('NNicht erschienen', 0)\n",
    "        se = se.drop([x for x in ['QRücktritt mit anerkanntem Grund', '5.0Ungültig/Täuschung', 'NNicht erschienen'] if x in se.index])\n",
    "        d.update(se)\n",
    "    except FileNotFoundError:\n",
    "        print(\"No statistics file for \", d['course_name_en'])\n",
    "        d[str(float(d['grade']))] = 1\n",
    "    except KeyError:\n",
    "        print(\"Empty statistics file for \", d['course_name_en'])\n",
    "        d[str(float(d['grade']))] = 1\n",
    "\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "For each course, parse the grades out of its html file, and add to its dict:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "%%script false --no-raise-error\n",
    "# This magic prevents the execution of code in this cell.\n",
    "\n",
    "# This is how I parsed the html files before the internal API started sending structured json responses with this data.\n",
    "\n",
    "from bs4 import BeautifulSoup\n",
    "\n",
    "possible_grades = ['1.0', '1.3', '1.4', '1.7', '2.0', '2.3', '2.4', '2.7', '3.0', '3.3', '3.4', '3.7', '4.0', '4.3', '4.7', '5.0']\n",
    "standard_possible_grades = ['1.0', '1.3', '1.7', '2.0', '2.3', '2.7', '3.0', '3.3', '3.7', '4.0', '4.3', '4.7', '5.0']\n",
    "all_possible_grades = possible_grades + ['did_not_show_up']\n",
    "\n",
    "for d in reversed(dicts): # iterating in reverse order so we can remove elements while iterating.\n",
    "    # University regulation: written exams from first semester are weighted half the points.\n",
    "    d['grade_weight'] = d['ects']\n",
    "    if ('Discrete Structures' in d['course_name_en'] \n",
    "        or 'Introduction to Informatics' in d['course_name_en']\n",
    "        or 'Computer Organization' in d['course_name_en']\n",
    "       ):\n",
    "        d['grade_weight'] >>= 1 # divide by 2 but leave as int (known to all be devisable by 2)\n",
    "    # read the html file to a string\n",
    "    try:\n",
    "        with open('stats/{}.html'.format(d['id']), 'rb') as f:\n",
    "            html_doc = f.read()    \n",
    "        soup = BeautifulSoup(html_doc, 'html.parser')\n",
    "        # the data can be found in the titles of div objects with the class \"kandcountbox\"\n",
    "        divs = soup.find_all('div', 'kandcountbox')\n",
    "        titles = [div['title'] for div in divs]\n",
    "        # A list of tuples (<grade>, <number of students>) e.g. ('1.0', 3)\n",
    "        nums = [(ts[-1].split()[0], int(ts[-2].split()[0])) for t in titles if (ts := t.split(','))]\n",
    "        d.update((grade, 0) for grade in all_possible_grades) # All courses get all grades, also if 0 students that grade.\n",
    "        for i, t in enumerate(titles):\n",
    "            if 'Nicht erschienen' in t: # Students who did not show up\n",
    "                d['did_not_show_up'] = nums[i][1]\n",
    "            elif '5.0' in t: # add up fails and cheats together.\n",
    "                d['5.0'] += nums[i][1]\n",
    "        # We already counted all the 5.0s and added them, so don't add again.\n",
    "        d.update((tup for tup in nums if tup[0] != '5.0'))\n",
    "    except FileNotFoundError:\n",
    "        print(\"No statistics file for \", d['course_name_en'])\n",
    "        dicts.remove(d)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Create a pandas dataframe with the data:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
       "      <th>grade_date</th>\n",
       "      <th>grade_name_de</th>\n",
       "      <th>grade_name_en</th>\n",
       "      <th>id</th>\n",
       "      <th>course_number</th>\n",
       "      <th>grade</th>\n",
       "      <th>grade_weight</th>\n",
       "      <th>1.0</th>\n",
       "      <th>1.3</th>\n",
       "      <th>1.4</th>\n",
       "      <th>1.7</th>\n",
       "      <th>2.0</th>\n",
       "      <th>2.3</th>\n",
       "      <th>2.4</th>\n",
       "      <th>2.7</th>\n",
       "      <th>3.0</th>\n",
       "      <th>3.3</th>\n",
       "      <th>3.4</th>\n",
       "      <th>3.7</th>\n",
       "      <th>4.0</th>\n",
       "      <th>4.3</th>\n",
       "      <th>4.7</th>\n",
       "      <th>5.0</th>\n",
       "      <th>did_not_show_up</th>\n",
       "      <th>did_show_up</th>\n",
       "      <th>numeric_grade</th>\n",
       "      <th>int_grade_X10</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950615303</td>\n",
       "      <td>IN2260</td>\n",
       "      <td>1.0</td>\n",
       "      <td>3</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>Not A Course</td>\n",
       "      <td>Not A Course</td>\n",
       "      <td>1.3</td>\n",
       "      <td>12</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950581514</td>\n",
       "      <td>ED0179</td>\n",
       "      <td>1.3</td>\n",
       "      <td>3</td>\n",
       "      <td>37</td>\n",
       "      <td>24</td>\n",
       "      <td>0</td>\n",
       "      <td>21</td>\n",
       "      <td>11</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950560131</td>\n",
       "      <td>IN4256</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>14</td>\n",
       "      <td>7</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950552753</td>\n",
       "      <td>IN2227</td>\n",
       "      <td>2.0</td>\n",
       "      <td>5</td>\n",
       "      <td>9</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>15</td>\n",
       "      <td>18</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>22</td>\n",
       "      <td>31</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "      <td>7</td>\n",
       "      <td>8</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>40</td>\n",
       "      <td>161</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>satisfactory</td>\n",
       "      <td>950548250</td>\n",
       "      <td>MA9712M</td>\n",
       "      <td>2.7</td>\n",
       "      <td>6</td>\n",
       "      <td>11</td>\n",
       "      <td>23</td>\n",
       "      <td>0</td>\n",
       "      <td>28</td>\n",
       "      <td>59</td>\n",
       "      <td>103</td>\n",
       "      <td>0</td>\n",
       "      <td>125</td>\n",
       "      <td>114</td>\n",
       "      <td>97</td>\n",
       "      <td>0</td>\n",
       "      <td>70</td>\n",
       "      <td>35</td>\n",
       "      <td>39</td>\n",
       "      <td>14</td>\n",
       "      <td>34</td>\n",
       "      <td>68</td>\n",
       "      <td>752</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>sufficient</td>\n",
       "      <td>950549876</td>\n",
       "      <td>MA3402</td>\n",
       "      <td>4.0</td>\n",
       "      <td>6</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>9</td>\n",
       "      <td>14</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>9</td>\n",
       "      <td>14</td>\n",
       "      <td>12</td>\n",
       "      <td>0</td>\n",
       "      <td>10</td>\n",
       "      <td>13</td>\n",
       "      <td>18</td>\n",
       "      <td>19</td>\n",
       "      <td>29</td>\n",
       "      <td>72</td>\n",
       "      <td>163</td>\n",
       "      <td>4.0</td>\n",
       "      <td>40</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>satisfactory</td>\n",
       "      <td>950511694</td>\n",
       "      <td>IN2062</td>\n",
       "      <td>3.0</td>\n",
       "      <td>5</td>\n",
       "      <td>20</td>\n",
       "      <td>29</td>\n",
       "      <td>0</td>\n",
       "      <td>44</td>\n",
       "      <td>66</td>\n",
       "      <td>70</td>\n",
       "      <td>0</td>\n",
       "      <td>77</td>\n",
       "      <td>86</td>\n",
       "      <td>69</td>\n",
       "      <td>0</td>\n",
       "      <td>83</td>\n",
       "      <td>65</td>\n",
       "      <td>61</td>\n",
       "      <td>39</td>\n",
       "      <td>107</td>\n",
       "      <td>454</td>\n",
       "      <td>816</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>satisfactory</td>\n",
       "      <td>950525218</td>\n",
       "      <td>IN2360</td>\n",
       "      <td>2.7</td>\n",
       "      <td>6</td>\n",
       "      <td>8</td>\n",
       "      <td>4</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>6</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>9</td>\n",
       "      <td>6</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>2</td>\n",
       "      <td>7</td>\n",
       "      <td>2</td>\n",
       "      <td>11</td>\n",
       "      <td>36</td>\n",
       "      <td>66</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950478816</td>\n",
       "      <td>SZ1201-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>7</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>satisfactory</td>\n",
       "      <td>950487012</td>\n",
       "      <td>IN2366</td>\n",
       "      <td>2.7</td>\n",
       "      <td>9</td>\n",
       "      <td>4</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>3</td>\n",
       "      <td>5</td>\n",
       "      <td>0</td>\n",
       "      <td>7</td>\n",
       "      <td>8</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>5</td>\n",
       "      <td>14</td>\n",
       "      <td>48</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950475386</td>\n",
       "      <td>IN0011</td>\n",
       "      <td>1.0</td>\n",
       "      <td>8</td>\n",
       "      <td>42</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>21</td>\n",
       "      <td>23</td>\n",
       "      <td>35</td>\n",
       "      <td>0</td>\n",
       "      <td>33</td>\n",
       "      <td>35</td>\n",
       "      <td>57</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>96</td>\n",
       "      <td>68</td>\n",
       "      <td>76</td>\n",
       "      <td>135</td>\n",
       "      <td>181</td>\n",
       "      <td>676</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>satisfactory</td>\n",
       "      <td>950474800</td>\n",
       "      <td>IN0018</td>\n",
       "      <td>2.7</td>\n",
       "      <td>6</td>\n",
       "      <td>39</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>15</td>\n",
       "      <td>24</td>\n",
       "      <td>30</td>\n",
       "      <td>0</td>\n",
       "      <td>41</td>\n",
       "      <td>45</td>\n",
       "      <td>47</td>\n",
       "      <td>0</td>\n",
       "      <td>51</td>\n",
       "      <td>15</td>\n",
       "      <td>61</td>\n",
       "      <td>48</td>\n",
       "      <td>126</td>\n",
       "      <td>148</td>\n",
       "      <td>557</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950477777</td>\n",
       "      <td>IN4705</td>\n",
       "      <td>1.7</td>\n",
       "      <td>5</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950528080</td>\n",
       "      <td>IN0010E</td>\n",
       "      <td>1.3</td>\n",
       "      <td>6</td>\n",
       "      <td>69</td>\n",
       "      <td>23</td>\n",
       "      <td>0</td>\n",
       "      <td>31</td>\n",
       "      <td>32</td>\n",
       "      <td>47</td>\n",
       "      <td>0</td>\n",
       "      <td>41</td>\n",
       "      <td>51</td>\n",
       "      <td>58</td>\n",
       "      <td>0</td>\n",
       "      <td>44</td>\n",
       "      <td>15</td>\n",
       "      <td>47</td>\n",
       "      <td>44</td>\n",
       "      <td>114</td>\n",
       "      <td>170</td>\n",
       "      <td>616</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950442732</td>\n",
       "      <td>IN0019</td>\n",
       "      <td>1.7</td>\n",
       "      <td>6</td>\n",
       "      <td>40</td>\n",
       "      <td>3</td>\n",
       "      <td>29</td>\n",
       "      <td>35</td>\n",
       "      <td>38</td>\n",
       "      <td>20</td>\n",
       "      <td>14</td>\n",
       "      <td>39</td>\n",
       "      <td>35</td>\n",
       "      <td>27</td>\n",
       "      <td>12</td>\n",
       "      <td>16</td>\n",
       "      <td>6</td>\n",
       "      <td>8</td>\n",
       "      <td>6</td>\n",
       "      <td>19</td>\n",
       "      <td>67</td>\n",
       "      <td>347</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950442112</td>\n",
       "      <td>IN0009</td>\n",
       "      <td>1.3</td>\n",
       "      <td>6</td>\n",
       "      <td>48</td>\n",
       "      <td>39</td>\n",
       "      <td>0</td>\n",
       "      <td>49</td>\n",
       "      <td>60</td>\n",
       "      <td>60</td>\n",
       "      <td>0</td>\n",
       "      <td>92</td>\n",
       "      <td>65</td>\n",
       "      <td>79</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>23</td>\n",
       "      <td>64</td>\n",
       "      <td>39</td>\n",
       "      <td>75</td>\n",
       "      <td>123</td>\n",
       "      <td>729</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950443255</td>\n",
       "      <td>MA0902</td>\n",
       "      <td>2.0</td>\n",
       "      <td>8</td>\n",
       "      <td>25</td>\n",
       "      <td>19</td>\n",
       "      <td>0</td>\n",
       "      <td>28</td>\n",
       "      <td>26</td>\n",
       "      <td>40</td>\n",
       "      <td>0</td>\n",
       "      <td>30</td>\n",
       "      <td>33</td>\n",
       "      <td>70</td>\n",
       "      <td>0</td>\n",
       "      <td>81</td>\n",
       "      <td>29</td>\n",
       "      <td>101</td>\n",
       "      <td>68</td>\n",
       "      <td>58</td>\n",
       "      <td>172</td>\n",
       "      <td>608</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950442006</td>\n",
       "      <td>IN0008</td>\n",
       "      <td>1.0</td>\n",
       "      <td>6</td>\n",
       "      <td>98</td>\n",
       "      <td>3</td>\n",
       "      <td>49</td>\n",
       "      <td>71</td>\n",
       "      <td>91</td>\n",
       "      <td>18</td>\n",
       "      <td>74</td>\n",
       "      <td>108</td>\n",
       "      <td>88</td>\n",
       "      <td>44</td>\n",
       "      <td>38</td>\n",
       "      <td>73</td>\n",
       "      <td>42</td>\n",
       "      <td>42</td>\n",
       "      <td>34</td>\n",
       "      <td>92</td>\n",
       "      <td>251</td>\n",
       "      <td>965</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950442110</td>\n",
       "      <td>IN0003</td>\n",
       "      <td>1.0</td>\n",
       "      <td>5</td>\n",
       "      <td>39</td>\n",
       "      <td>23</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>57</td>\n",
       "      <td>50</td>\n",
       "      <td>0</td>\n",
       "      <td>55</td>\n",
       "      <td>67</td>\n",
       "      <td>74</td>\n",
       "      <td>0</td>\n",
       "      <td>69</td>\n",
       "      <td>59</td>\n",
       "      <td>39</td>\n",
       "      <td>53</td>\n",
       "      <td>111</td>\n",
       "      <td>132</td>\n",
       "      <td>736</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950412209</td>\n",
       "      <td>IN0005</td>\n",
       "      <td>2.0</td>\n",
       "      <td>4</td>\n",
       "      <td>6</td>\n",
       "      <td>7</td>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "      <td>102</td>\n",
       "      <td>60</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>30</td>\n",
       "      <td>20</td>\n",
       "      <td>0</td>\n",
       "      <td>22</td>\n",
       "      <td>20</td>\n",
       "      <td>2</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>6</td>\n",
       "      <td>381</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950414371</td>\n",
       "      <td>MA0901</td>\n",
       "      <td>2.0</td>\n",
       "      <td>8</td>\n",
       "      <td>43</td>\n",
       "      <td>33</td>\n",
       "      <td>0</td>\n",
       "      <td>51</td>\n",
       "      <td>57</td>\n",
       "      <td>76</td>\n",
       "      <td>0</td>\n",
       "      <td>75</td>\n",
       "      <td>70</td>\n",
       "      <td>66</td>\n",
       "      <td>0</td>\n",
       "      <td>75</td>\n",
       "      <td>63</td>\n",
       "      <td>184</td>\n",
       "      <td>81</td>\n",
       "      <td>64</td>\n",
       "      <td>135</td>\n",
       "      <td>938</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950413689</td>\n",
       "      <td>IN0007</td>\n",
       "      <td>1.7</td>\n",
       "      <td>6</td>\n",
       "      <td>30</td>\n",
       "      <td>33</td>\n",
       "      <td>0</td>\n",
       "      <td>35</td>\n",
       "      <td>62</td>\n",
       "      <td>78</td>\n",
       "      <td>0</td>\n",
       "      <td>84</td>\n",
       "      <td>86</td>\n",
       "      <td>78</td>\n",
       "      <td>0</td>\n",
       "      <td>81</td>\n",
       "      <td>34</td>\n",
       "      <td>40</td>\n",
       "      <td>34</td>\n",
       "      <td>179</td>\n",
       "      <td>156</td>\n",
       "      <td>854</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950414522</td>\n",
       "      <td>IN0006</td>\n",
       "      <td>1.7</td>\n",
       "      <td>6</td>\n",
       "      <td>190</td>\n",
       "      <td>114</td>\n",
       "      <td>0</td>\n",
       "      <td>133</td>\n",
       "      <td>136</td>\n",
       "      <td>137</td>\n",
       "      <td>0</td>\n",
       "      <td>95</td>\n",
       "      <td>85</td>\n",
       "      <td>58</td>\n",
       "      <td>0</td>\n",
       "      <td>52</td>\n",
       "      <td>49</td>\n",
       "      <td>57</td>\n",
       "      <td>33</td>\n",
       "      <td>86</td>\n",
       "      <td>119</td>\n",
       "      <td>1225</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>satisfactory</td>\n",
       "      <td>950383243</td>\n",
       "      <td>IN0004</td>\n",
       "      <td>3.0</td>\n",
       "      <td>4</td>\n",
       "      <td>3</td>\n",
       "      <td>8</td>\n",
       "      <td>0</td>\n",
       "      <td>20</td>\n",
       "      <td>32</td>\n",
       "      <td>29</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>54</td>\n",
       "      <td>65</td>\n",
       "      <td>0</td>\n",
       "      <td>65</td>\n",
       "      <td>78</td>\n",
       "      <td>162</td>\n",
       "      <td>89</td>\n",
       "      <td>68</td>\n",
       "      <td>133</td>\n",
       "      <td>713</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950383197</td>\n",
       "      <td>IN0002</td>\n",
       "      <td>1.0</td>\n",
       "      <td>6</td>\n",
       "      <td>197</td>\n",
       "      <td>67</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>77</td>\n",
       "      <td>81</td>\n",
       "      <td>0</td>\n",
       "      <td>93</td>\n",
       "      <td>98</td>\n",
       "      <td>108</td>\n",
       "      <td>0</td>\n",
       "      <td>97</td>\n",
       "      <td>78</td>\n",
       "      <td>102</td>\n",
       "      <td>134</td>\n",
       "      <td>248</td>\n",
       "      <td>7</td>\n",
       "      <td>1440</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>good</td>\n",
       "      <td>950383477</td>\n",
       "      <td>IN0001</td>\n",
       "      <td>1.7</td>\n",
       "      <td>3</td>\n",
       "      <td>45</td>\n",
       "      <td>21</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>83</td>\n",
       "      <td>78</td>\n",
       "      <td>0</td>\n",
       "      <td>73</td>\n",
       "      <td>99</td>\n",
       "      <td>110</td>\n",
       "      <td>0</td>\n",
       "      <td>108</td>\n",
       "      <td>131</td>\n",
       "      <td>240</td>\n",
       "      <td>116</td>\n",
       "      <td>91</td>\n",
       "      <td>192</td>\n",
       "      <td>1255</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>sufficient</td>\n",
       "      <td>950383411</td>\n",
       "      <td>IN0015</td>\n",
       "      <td>3.7</td>\n",
       "      <td>4</td>\n",
       "      <td>12</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>17</td>\n",
       "      <td>27</td>\n",
       "      <td>5</td>\n",
       "      <td>30</td>\n",
       "      <td>49</td>\n",
       "      <td>65</td>\n",
       "      <td>11</td>\n",
       "      <td>114</td>\n",
       "      <td>128</td>\n",
       "      <td>59</td>\n",
       "      <td>303</td>\n",
       "      <td>206</td>\n",
       "      <td>88</td>\n",
       "      <td>185</td>\n",
       "      <td>1120</td>\n",
       "      <td>3.7</td>\n",
       "      <td>37</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>very good</td>\n",
       "      <td>950394428</td>\n",
       "      <td>SZ0324</td>\n",
       "      <td>1.0</td>\n",
       "      <td>3</td>\n",
       "      <td>18</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>23</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "3                         Systems Programming in C++    \n",
       "4                                       Compilerbau I   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "6                         Computergestützte Statistik   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "8                                  Höhere Algorithmik   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "13                  Seminar Economics and Computation   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "15                          Numerisches Programmieren   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "17                            Analysis für Informatik   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "21                     Lineare Algebra für Informatik   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "26                     Einführung in die Informatik 1   \n",
       "27                                Diskrete Strukturen   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "3                         Systems Programming in C++     10           21S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "6                            Computational Statistics     6           21S   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de grade_name_en  \\\n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut     very good   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut     very good   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut     very good   \n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut     very good   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut          good   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  satisfactory   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend    sufficient   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  satisfactory   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  satisfactory   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut     very good   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  satisfactory   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut     very good   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  satisfactory   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut          good   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut     very good   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut          good   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut     very good   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut          good   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut     very good   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut     very good   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut          good   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut          good   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut          good   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut          good   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  satisfactory   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut     very good   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut          good   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend    sufficient   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut     very good   \n",
       "\n",
       "              id course_number grade  grade_weight  1.0  1.3  1.4  1.7  2.0  \\\n",
       "0      950615303        IN2260   1.0             3    1    0    0    0    0   \n",
       "1   Not A Course  Not A Course   1.3            12    0    1    0    0    0   \n",
       "2      950581514        ED0179   1.3             3   37   24    0   21   11   \n",
       "3      950560131        IN4256   1.0            10   14    7    0    2    2   \n",
       "4      950552753        IN2227   2.0             5    9   10    0   15   18   \n",
       "5      950548250       MA9712M   2.7             6   11   23    0   28   59   \n",
       "6      950549876        MA3402   4.0             6    3    3    0    9   14   \n",
       "7      950511694        IN2062   3.0             5   20   29    0   44   66   \n",
       "8      950525218        IN2360   2.7             6    8    4    0    4    6   \n",
       "9      950478816      SZ1201-1   1.0             3    3    7    0    6    0   \n",
       "10     950487012        IN2366   2.7             9    4    3    0    4    3   \n",
       "11     950475386        IN0011   1.0             8   42   15    0   21   23   \n",
       "12     950474800        IN0018   2.7             6   39   15    0   15   24   \n",
       "13     950477777        IN4705   1.7             5    1    0    0    3    0   \n",
       "14     950528080       IN0010E   1.3             6   69   23    0   31   32   \n",
       "15     950442732        IN0019   1.7             6   40    3   29   35   38   \n",
       "16     950442112        IN0009   1.3             6   48   39    0   49   60   \n",
       "17     950443255        MA0902   2.0             8   25   19    0   28   26   \n",
       "18     950442006        IN0008   1.0             6   98    3   49   71   91   \n",
       "19     950442110        IN0003   1.0             5   39   23    0   40   57   \n",
       "20     950412209        IN0005   2.0             4    6    7    0   12  102   \n",
       "21     950414371        MA0901   2.0             8   43   33    0   51   57   \n",
       "22     950413689        IN0007   1.7             6   30   33    0   35   62   \n",
       "23     950414522        IN0006   1.7             6  190  114    0  133  136   \n",
       "24     950383243        IN0004   3.0             4    3    8    0   20   32   \n",
       "25     950383197        IN0002   1.0             6  197   67    0   60   77   \n",
       "26     950383477        IN0001   1.7             3   45   21    0   60   83   \n",
       "27     950383411        IN0015   3.7             4   12    0    6   17   27   \n",
       "28     950394428        SZ0324   1.0             3   18    3    0    1    0   \n",
       "\n",
       "    2.3  2.4  2.7  3.0  3.3  3.4  3.7  4.0  4.3  4.7  5.0  did_not_show_up  \\\n",
       "0     0    0    0    0    0    0    0    0    0    0    0                0   \n",
       "1     0    0    0    0    0    0    0    0    0    0    0                0   \n",
       "2    10    0    3    3    1    0    0    0    0    0    0                0   \n",
       "3     1    0    3    2    1    0    0    0    0    0    4                0   \n",
       "4    15    0   22   31   13    0   12    7    8    0    1               40   \n",
       "5   103    0  125  114   97    0   70   35   39   14   34               68   \n",
       "6    10    0    9   14   12    0   10   13   18   19   29               72   \n",
       "7    70    0   77   86   69    0   83   65   61   39  107              454   \n",
       "8     1    0    2    9    6    0    4    2    7    2   11               36   \n",
       "9     0    0    0    0    0    0    0    0    0    0    0                0   \n",
       "10    5    0    7    8    1    0    6    1    1    0    5               14   \n",
       "11   35    0   33   35   57    0   40   96   68   76  135              181   \n",
       "12   30    0   41   45   47    0   51   15   61   48  126              148   \n",
       "13    0    0    2    0    0    0    0    0    0    0    0                0   \n",
       "14   47    0   41   51   58    0   44   15   47   44  114              170   \n",
       "15   20   14   39   35   27   12   16    6    8    6   19               67   \n",
       "16   60    0   92   65   79    0   36   23   64   39   75              123   \n",
       "17   40    0   30   33   70    0   81   29  101   68   58              172   \n",
       "18   18   74  108   88   44   38   73   42   42   34   92              251   \n",
       "19   50    0   55   67   74    0   69   59   39   53  111              132   \n",
       "20   60    0   60   30   20    0   22   20    2    0   40                6   \n",
       "21   76    0   75   70   66    0   75   63  184   81   64              135   \n",
       "22   78    0   84   86   78    0   81   34   40   34  179              156   \n",
       "23  137    0   95   85   58    0   52   49   57   33   86              119   \n",
       "24   29    0   40   54   65    0   65   78  162   89   68              133   \n",
       "25   81    0   93   98  108    0   97   78  102  134  248                7   \n",
       "26   78    0   73   99  110    0  108  131  240  116   91              192   \n",
       "27    5   30   49   65   11  114  128   59  303  206   88              185   \n",
       "28    1    0    0    0    0    0    0    0    0    0    0                2   \n",
       "\n",
       "    did_show_up  numeric_grade  int_grade_X10  5.0_with_noshows  \\\n",
       "0             1            1.0             10                 0   \n",
       "1             1            1.3             13                 0   \n",
       "2           110            1.3             13                 0   \n",
       "3            36            1.0             10                 4   \n",
       "4           161            2.0             20                41   \n",
       "5           752            2.7             27               102   \n",
       "6           163            4.0             40               101   \n",
       "7           816            3.0             30               561   \n",
       "8            66            2.7             27                47   \n",
       "9            16            1.0             10                 0   \n",
       "10           48            2.7             27                19   \n",
       "11          676            1.0             10               316   \n",
       "12          557            2.7             27               274   \n",
       "13            6            1.7             17                 0   \n",
       "14          616            1.3             13               284   \n",
       "15          347            1.7             17                86   \n",
       "16          729            1.3             13               198   \n",
       "17          608            2.0             20               230   \n",
       "18          965            1.0             10               343   \n",
       "19          736            1.0             10               243   \n",
       "20          381            2.0             20                46   \n",
       "21          938            2.0             20               199   \n",
       "22          854            1.7             17               335   \n",
       "23         1225            1.7             17               205   \n",
       "24          713            3.0             30               201   \n",
       "25         1440            1.0             10               255   \n",
       "26         1255            1.7             17               283   \n",
       "27         1120            3.7             37               273   \n",
       "28           23            1.0             10                 2   \n",
       "\n",
       "    total_students  \n",
       "0                1  \n",
       "1                1  \n",
       "2              110  \n",
       "3               36  \n",
       "4              201  \n",
       "5              820  \n",
       "6              235  \n",
       "7             1270  \n",
       "8              102  \n",
       "9               16  \n",
       "10              62  \n",
       "11             857  \n",
       "12             705  \n",
       "13               6  \n",
       "14             786  \n",
       "15             414  \n",
       "16             852  \n",
       "17             780  \n",
       "18            1216  \n",
       "19             868  \n",
       "20             387  \n",
       "21            1073  \n",
       "22            1010  \n",
       "23            1344  \n",
       "24             846  \n",
       "25            1447  \n",
       "26            1447  \n",
       "27            1305  \n",
       "28              25  "
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "\n",
    "df = pd.DataFrame(dicts)\n",
    "df['did_show_up'] = df[possible_grades].sum(axis=1)\n",
    "df['numeric_grade'] = pd.to_numeric(df['grade'])\n",
    "df['int_grade_X10'] = df['grade'].apply(lambda x: int((x.replace('.', '') + '0')[:2]))\n",
    "df['5.0_with_noshows'] = df['5.0'] + df['did_not_show_up']\n",
    "df['total_students'] = df['did_show_up'] + df['did_not_show_up']\n",
    "df['grade'] = df['grade'].apply(lambda s: (s + '.0')[:3])\n",
    "grades_with_noshows = possible_grades + ['5.0_with_noshows']\n",
    "grades_with_noshows.remove('5.0')\n",
    "with pd.option_context('display.max_rows', None, 'display.max_columns', None):  # more options can be specified also\n",
    "    display(df)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
       "      <th>grade_date</th>\n",
       "      <th>grade_name_de</th>\n",
       "      <th>...</th>\n",
       "      <th>4.7</th>\n",
       "      <th>5.0</th>\n",
       "      <th>did_not_show_up</th>\n",
       "      <th>did_show_up</th>\n",
       "      <th>numeric_grade</th>\n",
       "      <th>int_grade_X10</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "      <th>mean</th>\n",
       "      <th>mean_with_noshows</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>1.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>1.300000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>1.539091</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.950000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>40</td>\n",
       "      <td>161</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "      <td>2.640373</td>\n",
       "      <td>3.109950</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>14</td>\n",
       "      <td>34</td>\n",
       "      <td>68</td>\n",
       "      <td>752</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "      <td>2.986037</td>\n",
       "      <td>3.153049</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>19</td>\n",
       "      <td>29</td>\n",
       "      <td>72</td>\n",
       "      <td>163</td>\n",
       "      <td>4.0</td>\n",
       "      <td>40</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "      <td>3.557055</td>\n",
       "      <td>3.999149</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>39</td>\n",
       "      <td>107</td>\n",
       "      <td>454</td>\n",
       "      <td>816</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "      <td>3.268137</td>\n",
       "      <td>3.887244</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>2</td>\n",
       "      <td>11</td>\n",
       "      <td>36</td>\n",
       "      <td>66</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "      <td>3.087879</td>\n",
       "      <td>3.762745</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>1.393750</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>5</td>\n",
       "      <td>14</td>\n",
       "      <td>48</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "      <td>2.789583</td>\n",
       "      <td>3.288710</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>76</td>\n",
       "      <td>135</td>\n",
       "      <td>181</td>\n",
       "      <td>676</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "      <td>3.642751</td>\n",
       "      <td>3.929405</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>48</td>\n",
       "      <td>126</td>\n",
       "      <td>148</td>\n",
       "      <td>557</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "      <td>3.533932</td>\n",
       "      <td>3.841702</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>1.916667</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>44</td>\n",
       "      <td>114</td>\n",
       "      <td>170</td>\n",
       "      <td>616</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "      <td>3.215097</td>\n",
       "      <td>3.601145</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>6</td>\n",
       "      <td>19</td>\n",
       "      <td>67</td>\n",
       "      <td>347</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "      <td>2.537752</td>\n",
       "      <td>2.936232</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>39</td>\n",
       "      <td>75</td>\n",
       "      <td>123</td>\n",
       "      <td>729</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "      <td>3.021674</td>\n",
       "      <td>3.307277</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>68</td>\n",
       "      <td>58</td>\n",
       "      <td>172</td>\n",
       "      <td>608</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "      <td>3.473520</td>\n",
       "      <td>3.810128</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>34</td>\n",
       "      <td>92</td>\n",
       "      <td>251</td>\n",
       "      <td>965</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "      <td>2.860829</td>\n",
       "      <td>3.302385</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>53</td>\n",
       "      <td>111</td>\n",
       "      <td>132</td>\n",
       "      <td>736</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "      <td>3.291712</td>\n",
       "      <td>3.551498</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>6</td>\n",
       "      <td>381</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "      <td>2.796588</td>\n",
       "      <td>2.830749</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>81</td>\n",
       "      <td>64</td>\n",
       "      <td>135</td>\n",
       "      <td>938</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "      <td>3.318870</td>\n",
       "      <td>3.530382</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>34</td>\n",
       "      <td>179</td>\n",
       "      <td>156</td>\n",
       "      <td>854</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "      <td>3.326112</td>\n",
       "      <td>3.584653</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>33</td>\n",
       "      <td>86</td>\n",
       "      <td>119</td>\n",
       "      <td>1225</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "      <td>2.508490</td>\n",
       "      <td>2.729092</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>89</td>\n",
       "      <td>68</td>\n",
       "      <td>133</td>\n",
       "      <td>713</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "      <td>3.744741</td>\n",
       "      <td>3.942080</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>134</td>\n",
       "      <td>248</td>\n",
       "      <td>7</td>\n",
       "      <td>1440</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.199444</td>\n",
       "      <td>3.208155</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>116</td>\n",
       "      <td>91</td>\n",
       "      <td>192</td>\n",
       "      <td>1255</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.452271</td>\n",
       "      <td>3.657636</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>206</td>\n",
       "      <td>88</td>\n",
       "      <td>185</td>\n",
       "      <td>1120</td>\n",
       "      <td>3.7</td>\n",
       "      <td>37</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "      <td>3.891696</td>\n",
       "      <td>4.048812</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>23</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "      <td>1.126087</td>\n",
       "      <td>1.436000</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>29 rows × 39 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "3                         Systems Programming in C++    \n",
       "4                                       Compilerbau I   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "6                         Computergestützte Statistik   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "8                                  Höhere Algorithmik   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "13                  Seminar Economics and Computation   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "15                          Numerisches Programmieren   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "17                            Analysis für Informatik   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "21                     Lineare Algebra für Informatik   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "26                     Einführung in die Informatik 1   \n",
       "27                                Diskrete Strukturen   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "3                         Systems Programming in C++     10           21S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "6                            Computational Statistics     6           21S   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de  ...  4.7  5.0  \\\n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut  ...    0    0   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut  ...    0    0   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut  ...    0    0   \n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut  ...    0    4   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut  ...    0    1   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  ...   14   34   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend  ...   19   29   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  ...   39  107   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  ...    2   11   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut  ...    0    0   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  ...    0    5   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut  ...   76  135   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  ...   48  126   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut  ...    0    0   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut  ...   44  114   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut  ...    6   19   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut  ...   39   75   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut  ...   68   58   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut  ...   34   92   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut  ...   53  111   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut  ...    0   40   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut  ...   81   64   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut  ...   34  179   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut  ...   33   86   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  ...   89   68   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut  ...  134  248   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut  ...  116   91   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend  ...  206   88   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut  ...    0    0   \n",
       "\n",
       "   did_not_show_up did_show_up  numeric_grade  int_grade_X10  \\\n",
       "0                0           1            1.0             10   \n",
       "1                0           1            1.3             13   \n",
       "2                0         110            1.3             13   \n",
       "3                0          36            1.0             10   \n",
       "4               40         161            2.0             20   \n",
       "5               68         752            2.7             27   \n",
       "6               72         163            4.0             40   \n",
       "7              454         816            3.0             30   \n",
       "8               36          66            2.7             27   \n",
       "9                0          16            1.0             10   \n",
       "10              14          48            2.7             27   \n",
       "11             181         676            1.0             10   \n",
       "12             148         557            2.7             27   \n",
       "13               0           6            1.7             17   \n",
       "14             170         616            1.3             13   \n",
       "15              67         347            1.7             17   \n",
       "16             123         729            1.3             13   \n",
       "17             172         608            2.0             20   \n",
       "18             251         965            1.0             10   \n",
       "19             132         736            1.0             10   \n",
       "20               6         381            2.0             20   \n",
       "21             135         938            2.0             20   \n",
       "22             156         854            1.7             17   \n",
       "23             119        1225            1.7             17   \n",
       "24             133         713            3.0             30   \n",
       "25               7        1440            1.0             10   \n",
       "26             192        1255            1.7             17   \n",
       "27             185        1120            3.7             37   \n",
       "28               2          23            1.0             10   \n",
       "\n",
       "    5.0_with_noshows  total_students      mean  mean_with_noshows  \n",
       "0                  0               1  1.000000           1.000000  \n",
       "1                  0               1  1.300000           1.300000  \n",
       "2                  0             110  1.539091           1.539091  \n",
       "3                  4              36  1.950000           1.950000  \n",
       "4                 41             201  2.640373           3.109950  \n",
       "5                102             820  2.986037           3.153049  \n",
       "6                101             235  3.557055           3.999149  \n",
       "7                561            1270  3.268137           3.887244  \n",
       "8                 47             102  3.087879           3.762745  \n",
       "9                  0              16  1.393750           1.393750  \n",
       "10                19              62  2.789583           3.288710  \n",
       "11               316             857  3.642751           3.929405  \n",
       "12               274             705  3.533932           3.841702  \n",
       "13                 0               6  1.916667           1.916667  \n",
       "14               284             786  3.215097           3.601145  \n",
       "15                86             414  2.537752           2.936232  \n",
       "16               198             852  3.021674           3.307277  \n",
       "17               230             780  3.473520           3.810128  \n",
       "18               343            1216  2.860829           3.302385  \n",
       "19               243             868  3.291712           3.551498  \n",
       "20                46             387  2.796588           2.830749  \n",
       "21               199            1073  3.318870           3.530382  \n",
       "22               335            1010  3.326112           3.584653  \n",
       "23               205            1344  2.508490           2.729092  \n",
       "24               201             846  3.744741           3.942080  \n",
       "25               255            1447  3.199444           3.208155  \n",
       "26               283            1447  3.452271           3.657636  \n",
       "27               273            1305  3.891696           4.048812  \n",
       "28                 2              25  1.126087           1.436000  \n",
       "\n",
       "[29 rows x 39 columns]"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int_grades = list(map(lambda x: int(x.replace('.', '')), possible_grades)) # '1.3' -> 13\n",
    "df['mean'] = ((df[possible_grades] * int_grades).sum(axis=1) / df['did_show_up']) / 10\n",
    "df['mean_with_noshows'] = ((df[grades_with_noshows] * int_grades).sum(axis=1) / df['total_students']) / 10\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We want to calculate the Z-Score of each grade. For a single course, where I got the grade $x$, the mean grade is $\\mu$ and the standard deviation is $\\sigma$, then $Z = \\frac{x - \\mu}{\\sigma}$. We now calculate that simulataneously for each course."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We already have the mean and the grade of each course, so now we calculate the standard deviation. For a single course we used the (biased) standard deviation $$\\sigma = \\sqrt{\\frac{\\sum_{x \\in X}(x-\\mu)^2}{N}}$$ where $X$ is the the set of all grades in this one exam and $N$ is the total number of students.\n",
    "Our data looks a bit different however. What we have is for every possible grade, the number of students with that grade, so our calculation will look like this: \n",
    "$$\\sigma = \\sqrt{\\frac{\\sum_{g \\in G}n_g(g-\\mu)^2}{N}}$$\n",
    "Where $G$ is the set of possible grades ($1.0$, $1.3$, ...) and for a grade $g \\in G$, $n_g$ is the number of students with that grade in this exam."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "First, we create a matrix which has for each exam the row vector $(\\ \\ldots \\ (g - \\mu)^2 \\   \\ldots\\ )_{g \\in G}$ which contain the squared difference of every possible grade and the mean:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "# The (x - \\mu)^2 part of the calculation for the sd.\n",
    "squared_differences = np.square(np.array([np.array(int_grades)/10,]*len(df)) - np.array([df['mean'],] * len(int_grades)).transpose())"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We now multiply this matrix element-wise with our data, and get the matrix \n",
    "$(n_{g,i}(g-\\mu)^2)_{g \\in G, i \\in E}$ where $E$ is the set of exams and $n_{g,i}$ is the number of students who get the grade $g$ in exam $i$. We then sum each row, and divide it by the total number of students who took that exam, which gives us a vector where every element is the complete term inside the squre root above, for one exam. We then just take the square root element-wise, and get a vector of the standard deviations of all exams, which we add to our DataFrame."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "df['standard_deviation'] = np.sqrt(np.multiply(df[possible_grades], squared_differences).sum(axis=1) / df['did_show_up'])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
       "      <th>grade_date</th>\n",
       "      <th>grade_name_de</th>\n",
       "      <th>...</th>\n",
       "      <th>5.0</th>\n",
       "      <th>did_not_show_up</th>\n",
       "      <th>did_show_up</th>\n",
       "      <th>numeric_grade</th>\n",
       "      <th>int_grade_X10</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "      <th>mean</th>\n",
       "      <th>mean_with_noshows</th>\n",
       "      <th>standard_deviation</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>0.558748</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>4</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.277693</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1</td>\n",
       "      <td>40</td>\n",
       "      <td>161</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "      <td>2.640373</td>\n",
       "      <td>3.109950</td>\n",
       "      <td>0.892785</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>34</td>\n",
       "      <td>68</td>\n",
       "      <td>752</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "      <td>2.986037</td>\n",
       "      <td>3.153049</td>\n",
       "      <td>0.892316</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>29</td>\n",
       "      <td>72</td>\n",
       "      <td>163</td>\n",
       "      <td>4.0</td>\n",
       "      <td>40</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "      <td>3.557055</td>\n",
       "      <td>3.999149</td>\n",
       "      <td>1.175724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>107</td>\n",
       "      <td>454</td>\n",
       "      <td>816</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "      <td>3.268137</td>\n",
       "      <td>3.887244</td>\n",
       "      <td>1.130250</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>11</td>\n",
       "      <td>36</td>\n",
       "      <td>66</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "      <td>3.087879</td>\n",
       "      <td>3.762745</td>\n",
       "      <td>1.362875</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>0.260933</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>5</td>\n",
       "      <td>14</td>\n",
       "      <td>48</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "      <td>2.789583</td>\n",
       "      <td>3.288710</td>\n",
       "      <td>1.128280</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>135</td>\n",
       "      <td>181</td>\n",
       "      <td>676</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "      <td>3.642751</td>\n",
       "      <td>3.929405</td>\n",
       "      <td>1.219888</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>126</td>\n",
       "      <td>148</td>\n",
       "      <td>557</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "      <td>3.533932</td>\n",
       "      <td>3.841702</td>\n",
       "      <td>1.269960</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>0.606676</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>114</td>\n",
       "      <td>170</td>\n",
       "      <td>616</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "      <td>3.215097</td>\n",
       "      <td>3.601145</td>\n",
       "      <td>1.354076</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>19</td>\n",
       "      <td>67</td>\n",
       "      <td>347</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "      <td>2.537752</td>\n",
       "      <td>2.936232</td>\n",
       "      <td>1.086086</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>75</td>\n",
       "      <td>123</td>\n",
       "      <td>729</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "      <td>3.021674</td>\n",
       "      <td>3.307277</td>\n",
       "      <td>1.202123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>58</td>\n",
       "      <td>172</td>\n",
       "      <td>608</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "      <td>3.473520</td>\n",
       "      <td>3.810128</td>\n",
       "      <td>1.138735</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>92</td>\n",
       "      <td>251</td>\n",
       "      <td>965</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "      <td>2.860829</td>\n",
       "      <td>3.302385</td>\n",
       "      <td>1.199585</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>111</td>\n",
       "      <td>132</td>\n",
       "      <td>736</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "      <td>3.291712</td>\n",
       "      <td>3.551498</td>\n",
       "      <td>1.209361</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>40</td>\n",
       "      <td>6</td>\n",
       "      <td>381</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "      <td>2.796588</td>\n",
       "      <td>2.830749</td>\n",
       "      <td>1.000663</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>64</td>\n",
       "      <td>135</td>\n",
       "      <td>938</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "      <td>3.318870</td>\n",
       "      <td>3.530382</td>\n",
       "      <td>1.161719</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>179</td>\n",
       "      <td>156</td>\n",
       "      <td>854</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "      <td>3.326112</td>\n",
       "      <td>3.584653</td>\n",
       "      <td>1.211792</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>86</td>\n",
       "      <td>119</td>\n",
       "      <td>1225</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "      <td>2.508490</td>\n",
       "      <td>2.729092</td>\n",
       "      <td>1.227365</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>68</td>\n",
       "      <td>133</td>\n",
       "      <td>713</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "      <td>3.744741</td>\n",
       "      <td>3.942080</td>\n",
       "      <td>0.948878</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>248</td>\n",
       "      <td>7</td>\n",
       "      <td>1440</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.199444</td>\n",
       "      <td>3.208155</td>\n",
       "      <td>1.403789</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>91</td>\n",
       "      <td>192</td>\n",
       "      <td>1255</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.452271</td>\n",
       "      <td>3.657636</td>\n",
       "      <td>1.097564</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>88</td>\n",
       "      <td>185</td>\n",
       "      <td>1120</td>\n",
       "      <td>3.7</td>\n",
       "      <td>37</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "      <td>3.891696</td>\n",
       "      <td>4.048812</td>\n",
       "      <td>0.869407</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>23</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "      <td>1.126087</td>\n",
       "      <td>1.436000</td>\n",
       "      <td>0.301038</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>29 rows × 40 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "3                         Systems Programming in C++    \n",
       "4                                       Compilerbau I   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "6                         Computergestützte Statistik   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "8                                  Höhere Algorithmik   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "13                  Seminar Economics and Computation   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "15                          Numerisches Programmieren   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "17                            Analysis für Informatik   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "21                     Lineare Algebra für Informatik   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "26                     Einführung in die Informatik 1   \n",
       "27                                Diskrete Strukturen   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "3                         Systems Programming in C++     10           21S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "6                            Computational Statistics     6           21S   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de  ...  5.0  \\\n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut  ...    0   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut  ...    0   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut  ...    0   \n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut  ...    4   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut  ...    1   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  ...   34   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend  ...   29   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  ...  107   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  ...   11   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut  ...    0   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  ...    5   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut  ...  135   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  ...  126   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut  ...    0   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut  ...  114   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut  ...   19   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut  ...   75   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut  ...   58   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut  ...   92   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut  ...  111   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut  ...   40   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut  ...   64   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut  ...  179   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut  ...   86   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  ...   68   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut  ...  248   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut  ...   91   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend  ...   88   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut  ...    0   \n",
       "\n",
       "   did_not_show_up did_show_up numeric_grade  int_grade_X10  5.0_with_noshows  \\\n",
       "0                0           1           1.0             10                 0   \n",
       "1                0           1           1.3             13                 0   \n",
       "2                0         110           1.3             13                 0   \n",
       "3                0          36           1.0             10                 4   \n",
       "4               40         161           2.0             20                41   \n",
       "5               68         752           2.7             27               102   \n",
       "6               72         163           4.0             40               101   \n",
       "7              454         816           3.0             30               561   \n",
       "8               36          66           2.7             27                47   \n",
       "9                0          16           1.0             10                 0   \n",
       "10              14          48           2.7             27                19   \n",
       "11             181         676           1.0             10               316   \n",
       "12             148         557           2.7             27               274   \n",
       "13               0           6           1.7             17                 0   \n",
       "14             170         616           1.3             13               284   \n",
       "15              67         347           1.7             17                86   \n",
       "16             123         729           1.3             13               198   \n",
       "17             172         608           2.0             20               230   \n",
       "18             251         965           1.0             10               343   \n",
       "19             132         736           1.0             10               243   \n",
       "20               6         381           2.0             20                46   \n",
       "21             135         938           2.0             20               199   \n",
       "22             156         854           1.7             17               335   \n",
       "23             119        1225           1.7             17               205   \n",
       "24             133         713           3.0             30               201   \n",
       "25               7        1440           1.0             10               255   \n",
       "26             192        1255           1.7             17               283   \n",
       "27             185        1120           3.7             37               273   \n",
       "28               2          23           1.0             10                 2   \n",
       "\n",
       "    total_students      mean  mean_with_noshows  standard_deviation  \n",
       "0                1  1.000000           1.000000            0.000000  \n",
       "1                1  1.300000           1.300000            0.000000  \n",
       "2              110  1.539091           1.539091            0.558748  \n",
       "3               36  1.950000           1.950000            1.277693  \n",
       "4              201  2.640373           3.109950            0.892785  \n",
       "5              820  2.986037           3.153049            0.892316  \n",
       "6              235  3.557055           3.999149            1.175724  \n",
       "7             1270  3.268137           3.887244            1.130250  \n",
       "8              102  3.087879           3.762745            1.362875  \n",
       "9               16  1.393750           1.393750            0.260933  \n",
       "10              62  2.789583           3.288710            1.128280  \n",
       "11             857  3.642751           3.929405            1.219888  \n",
       "12             705  3.533932           3.841702            1.269960  \n",
       "13               6  1.916667           1.916667            0.606676  \n",
       "14             786  3.215097           3.601145            1.354076  \n",
       "15             414  2.537752           2.936232            1.086086  \n",
       "16             852  3.021674           3.307277            1.202123  \n",
       "17             780  3.473520           3.810128            1.138735  \n",
       "18            1216  2.860829           3.302385            1.199585  \n",
       "19             868  3.291712           3.551498            1.209361  \n",
       "20             387  2.796588           2.830749            1.000663  \n",
       "21            1073  3.318870           3.530382            1.161719  \n",
       "22            1010  3.326112           3.584653            1.211792  \n",
       "23            1344  2.508490           2.729092            1.227365  \n",
       "24             846  3.744741           3.942080            0.948878  \n",
       "25            1447  3.199444           3.208155            1.403789  \n",
       "26            1447  3.452271           3.657636            1.097564  \n",
       "27            1305  3.891696           4.048812            0.869407  \n",
       "28              25  1.126087           1.436000            0.301038  \n",
       "\n",
       "[29 rows x 40 columns]"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Once we have all that, we just do the $\\frac{x-\\mu}{\\sigma}$ calculation for each exam.\n",
    "\n",
    "Of course we do it with numpy's vectorized operations."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
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       "      <th>grade_name_de</th>\n",
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       "      <th>did_show_up</th>\n",
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       "      <th>int_grade_X10</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "      <th>mean</th>\n",
       "      <th>mean_with_noshows</th>\n",
       "      <th>standard_deviation</th>\n",
       "      <th>z</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>40</td>\n",
       "      <td>161</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "      <td>2.640373</td>\n",
       "      <td>3.109950</td>\n",
       "      <td>0.892785</td>\n",
       "      <td>-0.717275</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>68</td>\n",
       "      <td>752</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "      <td>2.986037</td>\n",
       "      <td>3.153049</td>\n",
       "      <td>0.892316</td>\n",
       "      <td>-0.320556</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>72</td>\n",
       "      <td>163</td>\n",
       "      <td>4.0</td>\n",
       "      <td>40</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "      <td>3.557055</td>\n",
       "      <td>3.999149</td>\n",
       "      <td>1.175724</td>\n",
       "      <td>0.376742</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>454</td>\n",
       "      <td>816</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "      <td>3.268137</td>\n",
       "      <td>3.887244</td>\n",
       "      <td>1.130250</td>\n",
       "      <td>-0.237237</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>36</td>\n",
       "      <td>66</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "      <td>3.087879</td>\n",
       "      <td>3.762745</td>\n",
       "      <td>1.362875</td>\n",
       "      <td>-0.284603</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>14</td>\n",
       "      <td>48</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "      <td>2.789583</td>\n",
       "      <td>3.288710</td>\n",
       "      <td>1.128280</td>\n",
       "      <td>-0.079398</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>181</td>\n",
       "      <td>676</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "      <td>3.642751</td>\n",
       "      <td>3.929405</td>\n",
       "      <td>1.219888</td>\n",
       "      <td>-2.166388</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>148</td>\n",
       "      <td>557</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "      <td>3.533932</td>\n",
       "      <td>3.841702</td>\n",
       "      <td>1.269960</td>\n",
       "      <td>-0.656660</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>170</td>\n",
       "      <td>616</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "      <td>3.215097</td>\n",
       "      <td>3.601145</td>\n",
       "      <td>1.354076</td>\n",
       "      <td>-1.414320</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>67</td>\n",
       "      <td>347</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "      <td>2.537752</td>\n",
       "      <td>2.936232</td>\n",
       "      <td>1.086086</td>\n",
       "      <td>-0.771350</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>123</td>\n",
       "      <td>729</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "      <td>3.021674</td>\n",
       "      <td>3.307277</td>\n",
       "      <td>1.202123</td>\n",
       "      <td>-1.432194</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>172</td>\n",
       "      <td>608</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "      <td>3.473520</td>\n",
       "      <td>3.810128</td>\n",
       "      <td>1.138735</td>\n",
       "      <td>-1.293997</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>251</td>\n",
       "      <td>965</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "      <td>2.860829</td>\n",
       "      <td>3.302385</td>\n",
       "      <td>1.199585</td>\n",
       "      <td>-1.551227</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>132</td>\n",
       "      <td>736</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "      <td>3.291712</td>\n",
       "      <td>3.551498</td>\n",
       "      <td>1.209361</td>\n",
       "      <td>-1.894978</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>6</td>\n",
       "      <td>381</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "      <td>2.796588</td>\n",
       "      <td>2.830749</td>\n",
       "      <td>1.000663</td>\n",
       "      <td>-0.796060</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>135</td>\n",
       "      <td>938</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "      <td>3.318870</td>\n",
       "      <td>3.530382</td>\n",
       "      <td>1.161719</td>\n",
       "      <td>-1.135275</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>156</td>\n",
       "      <td>854</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "      <td>3.326112</td>\n",
       "      <td>3.584653</td>\n",
       "      <td>1.211792</td>\n",
       "      <td>-1.341907</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>119</td>\n",
       "      <td>1225</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "      <td>2.508490</td>\n",
       "      <td>2.729092</td>\n",
       "      <td>1.227365</td>\n",
       "      <td>-0.658720</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>133</td>\n",
       "      <td>713</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "      <td>3.744741</td>\n",
       "      <td>3.942080</td>\n",
       "      <td>0.948878</td>\n",
       "      <td>-0.784865</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>7</td>\n",
       "      <td>1440</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.199444</td>\n",
       "      <td>3.208155</td>\n",
       "      <td>1.403789</td>\n",
       "      <td>-1.566791</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>192</td>\n",
       "      <td>1255</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.452271</td>\n",
       "      <td>3.657636</td>\n",
       "      <td>1.097564</td>\n",
       "      <td>-1.596509</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>185</td>\n",
       "      <td>1120</td>\n",
       "      <td>3.7</td>\n",
       "      <td>37</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "      <td>3.891696</td>\n",
       "      <td>4.048812</td>\n",
       "      <td>0.869407</td>\n",
       "      <td>-0.220491</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2</td>\n",
       "      <td>23</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "      <td>1.126087</td>\n",
       "      <td>1.436000</td>\n",
       "      <td>0.301038</td>\n",
       "      <td>-0.418841</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>29 rows × 41 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "3                         Systems Programming in C++    \n",
       "4                                       Compilerbau I   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "6                         Computergestützte Statistik   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "8                                  Höhere Algorithmik   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "13                  Seminar Economics and Computation   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "15                          Numerisches Programmieren   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "17                            Analysis für Informatik   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "21                     Lineare Algebra für Informatik   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "26                     Einführung in die Informatik 1   \n",
       "27                                Diskrete Strukturen   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "3                         Systems Programming in C++     10           21S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "6                            Computational Statistics     6           21S   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de  ... did_not_show_up  \\\n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut  ...               0   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut  ...               0   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut  ...               0   \n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut  ...               0   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut  ...              40   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  ...              68   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend  ...              72   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  ...             454   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  ...              36   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut  ...               0   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  ...              14   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut  ...             181   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  ...             148   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut  ...               0   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut  ...             170   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut  ...              67   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut  ...             123   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut  ...             172   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut  ...             251   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut  ...             132   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut  ...               6   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut  ...             135   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut  ...             156   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut  ...             119   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  ...             133   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut  ...               7   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut  ...             192   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend  ...             185   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut  ...               2   \n",
       "\n",
       "   did_show_up numeric_grade int_grade_X10  5.0_with_noshows  total_students  \\\n",
       "0            1           1.0            10                 0               1   \n",
       "1            1           1.3            13                 0               1   \n",
       "2          110           1.3            13                 0             110   \n",
       "3           36           1.0            10                 4              36   \n",
       "4          161           2.0            20                41             201   \n",
       "5          752           2.7            27               102             820   \n",
       "6          163           4.0            40               101             235   \n",
       "7          816           3.0            30               561            1270   \n",
       "8           66           2.7            27                47             102   \n",
       "9           16           1.0            10                 0              16   \n",
       "10          48           2.7            27                19              62   \n",
       "11         676           1.0            10               316             857   \n",
       "12         557           2.7            27               274             705   \n",
       "13           6           1.7            17                 0               6   \n",
       "14         616           1.3            13               284             786   \n",
       "15         347           1.7            17                86             414   \n",
       "16         729           1.3            13               198             852   \n",
       "17         608           2.0            20               230             780   \n",
       "18         965           1.0            10               343            1216   \n",
       "19         736           1.0            10               243             868   \n",
       "20         381           2.0            20                46             387   \n",
       "21         938           2.0            20               199            1073   \n",
       "22         854           1.7            17               335            1010   \n",
       "23        1225           1.7            17               205            1344   \n",
       "24         713           3.0            30               201             846   \n",
       "25        1440           1.0            10               255            1447   \n",
       "26        1255           1.7            17               283            1447   \n",
       "27        1120           3.7            37               273            1305   \n",
       "28          23           1.0            10                 2              25   \n",
       "\n",
       "        mean  mean_with_noshows  standard_deviation         z  \n",
       "0   1.000000           1.000000            0.000000       NaN  \n",
       "1   1.300000           1.300000            0.000000       NaN  \n",
       "2   1.539091           1.539091            0.558748 -0.427905  \n",
       "3   1.950000           1.950000            1.277693 -0.743527  \n",
       "4   2.640373           3.109950            0.892785 -0.717275  \n",
       "5   2.986037           3.153049            0.892316 -0.320556  \n",
       "6   3.557055           3.999149            1.175724  0.376742  \n",
       "7   3.268137           3.887244            1.130250 -0.237237  \n",
       "8   3.087879           3.762745            1.362875 -0.284603  \n",
       "9   1.393750           1.393750            0.260933 -1.509009  \n",
       "10  2.789583           3.288710            1.128280 -0.079398  \n",
       "11  3.642751           3.929405            1.219888 -2.166388  \n",
       "12  3.533932           3.841702            1.269960 -0.656660  \n",
       "13  1.916667           1.916667            0.606676 -0.357137  \n",
       "14  3.215097           3.601145            1.354076 -1.414320  \n",
       "15  2.537752           2.936232            1.086086 -0.771350  \n",
       "16  3.021674           3.307277            1.202123 -1.432194  \n",
       "17  3.473520           3.810128            1.138735 -1.293997  \n",
       "18  2.860829           3.302385            1.199585 -1.551227  \n",
       "19  3.291712           3.551498            1.209361 -1.894978  \n",
       "20  2.796588           2.830749            1.000663 -0.796060  \n",
       "21  3.318870           3.530382            1.161719 -1.135275  \n",
       "22  3.326112           3.584653            1.211792 -1.341907  \n",
       "23  2.508490           2.729092            1.227365 -0.658720  \n",
       "24  3.744741           3.942080            0.948878 -0.784865  \n",
       "25  3.199444           3.208155            1.403789 -1.566791  \n",
       "26  3.452271           3.657636            1.097564 -1.596509  \n",
       "27  3.891696           4.048812            0.869407 -0.220491  \n",
       "28  1.126087           1.436000            0.301038 -0.418841  \n",
       "\n",
       "[29 rows x 41 columns]"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df['z'] = (df['numeric_grade'] - df['mean']) / df['standard_deviation']\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
       "      <th>grade_date</th>\n",
       "      <th>grade_name_de</th>\n",
       "      <th>...</th>\n",
       "      <th>numeric_grade</th>\n",
       "      <th>int_grade_X10</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "      <th>mean</th>\n",
       "      <th>mean_with_noshows</th>\n",
       "      <th>standard_deviation</th>\n",
       "      <th>z</th>\n",
       "      <th>standard_deviation_with_noshows</th>\n",
       "      <th>z_with_noshows</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "      <td>2.640373</td>\n",
       "      <td>3.109950</td>\n",
       "      <td>0.892785</td>\n",
       "      <td>-0.717275</td>\n",
       "      <td>1.235302</td>\n",
       "      <td>-0.898526</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "      <td>2.986037</td>\n",
       "      <td>3.153049</td>\n",
       "      <td>0.892316</td>\n",
       "      <td>-0.320556</td>\n",
       "      <td>1.019147</td>\n",
       "      <td>-0.444537</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>4.0</td>\n",
       "      <td>40</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "      <td>3.557055</td>\n",
       "      <td>3.999149</td>\n",
       "      <td>1.175724</td>\n",
       "      <td>0.376742</td>\n",
       "      <td>1.183755</td>\n",
       "      <td>0.000719</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "      <td>3.268137</td>\n",
       "      <td>3.887244</td>\n",
       "      <td>1.130250</td>\n",
       "      <td>-0.237237</td>\n",
       "      <td>1.228703</td>\n",
       "      <td>-0.722098</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "      <td>3.087879</td>\n",
       "      <td>3.762745</td>\n",
       "      <td>1.362875</td>\n",
       "      <td>-0.284603</td>\n",
       "      <td>1.427182</td>\n",
       "      <td>-0.744646</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "      <td>2.789583</td>\n",
       "      <td>3.288710</td>\n",
       "      <td>1.128280</td>\n",
       "      <td>-0.079398</td>\n",
       "      <td>1.356360</td>\n",
       "      <td>-0.434037</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "      <td>3.642751</td>\n",
       "      <td>3.929405</td>\n",
       "      <td>1.219888</td>\n",
       "      <td>-2.166388</td>\n",
       "      <td>1.216849</td>\n",
       "      <td>-2.407369</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>2.7</td>\n",
       "      <td>27</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "      <td>3.533932</td>\n",
       "      <td>3.841702</td>\n",
       "      <td>1.269960</td>\n",
       "      <td>-0.656660</td>\n",
       "      <td>1.276994</td>\n",
       "      <td>-0.894054</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "      <td>3.215097</td>\n",
       "      <td>3.601145</td>\n",
       "      <td>1.354076</td>\n",
       "      <td>-1.414320</td>\n",
       "      <td>1.406052</td>\n",
       "      <td>-1.636600</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "      <td>2.537752</td>\n",
       "      <td>2.936232</td>\n",
       "      <td>1.086086</td>\n",
       "      <td>-0.771350</td>\n",
       "      <td>1.345754</td>\n",
       "      <td>-0.918616</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.3</td>\n",
       "      <td>13</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "      <td>3.021674</td>\n",
       "      <td>3.307277</td>\n",
       "      <td>1.202123</td>\n",
       "      <td>-1.432194</td>\n",
       "      <td>1.311459</td>\n",
       "      <td>-1.530568</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "      <td>3.473520</td>\n",
       "      <td>3.810128</td>\n",
       "      <td>1.138735</td>\n",
       "      <td>-1.293997</td>\n",
       "      <td>1.187979</td>\n",
       "      <td>-1.523703</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "      <td>2.860829</td>\n",
       "      <td>3.302385</td>\n",
       "      <td>1.199585</td>\n",
       "      <td>-1.551227</td>\n",
       "      <td>1.375342</td>\n",
       "      <td>-1.674046</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "      <td>3.291712</td>\n",
       "      <td>3.551498</td>\n",
       "      <td>1.209361</td>\n",
       "      <td>-1.894978</td>\n",
       "      <td>1.271392</td>\n",
       "      <td>-2.006854</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "      <td>2.796588</td>\n",
       "      <td>2.830749</td>\n",
       "      <td>1.000663</td>\n",
       "      <td>-0.796060</td>\n",
       "      <td>1.029518</td>\n",
       "      <td>-0.806930</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2.0</td>\n",
       "      <td>20</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "      <td>3.318870</td>\n",
       "      <td>3.530382</td>\n",
       "      <td>1.161719</td>\n",
       "      <td>-1.135275</td>\n",
       "      <td>1.220915</td>\n",
       "      <td>-1.253472</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "      <td>3.326112</td>\n",
       "      <td>3.584653</td>\n",
       "      <td>1.211792</td>\n",
       "      <td>-1.341907</td>\n",
       "      <td>1.267895</td>\n",
       "      <td>-1.486443</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "      <td>2.508490</td>\n",
       "      <td>2.729092</td>\n",
       "      <td>1.227365</td>\n",
       "      <td>-0.658720</td>\n",
       "      <td>1.368946</td>\n",
       "      <td>-0.751741</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>3.0</td>\n",
       "      <td>30</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "      <td>3.744741</td>\n",
       "      <td>3.942080</td>\n",
       "      <td>0.948878</td>\n",
       "      <td>-0.784865</td>\n",
       "      <td>0.983662</td>\n",
       "      <td>-0.957728</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.199444</td>\n",
       "      <td>3.208155</td>\n",
       "      <td>1.403789</td>\n",
       "      <td>-1.566791</td>\n",
       "      <td>1.405951</td>\n",
       "      <td>-1.570577</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.7</td>\n",
       "      <td>17</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.452271</td>\n",
       "      <td>3.657636</td>\n",
       "      <td>1.097564</td>\n",
       "      <td>-1.596509</td>\n",
       "      <td>1.149121</td>\n",
       "      <td>-1.703595</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>3.7</td>\n",
       "      <td>37</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "      <td>3.891696</td>\n",
       "      <td>4.048812</td>\n",
       "      <td>0.869407</td>\n",
       "      <td>-0.220491</td>\n",
       "      <td>0.893399</td>\n",
       "      <td>-0.390433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>1.0</td>\n",
       "      <td>10</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "      <td>1.126087</td>\n",
       "      <td>1.436000</td>\n",
       "      <td>0.301038</td>\n",
       "      <td>-0.418841</td>\n",
       "      <td>1.089910</td>\n",
       "      <td>-0.400033</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>29 rows × 43 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "3                         Systems Programming in C++    \n",
       "4                                       Compilerbau I   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "6                         Computergestützte Statistik   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "8                                  Höhere Algorithmik   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "13                  Seminar Economics and Computation   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "15                          Numerisches Programmieren   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "17                            Analysis für Informatik   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "21                     Lineare Algebra für Informatik   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "26                     Einführung in die Informatik 1   \n",
       "27                                Diskrete Strukturen   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "3                         Systems Programming in C++     10           21S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "6                            Computational Statistics     6           21S   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de  ... numeric_grade  \\\n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut  ...           1.0   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut  ...           1.3   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut  ...           1.3   \n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut  ...           1.0   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut  ...           2.0   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  ...           2.7   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend  ...           4.0   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  ...           3.0   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  ...           2.7   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut  ...           1.0   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  ...           2.7   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut  ...           1.0   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  ...           2.7   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut  ...           1.7   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut  ...           1.3   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut  ...           1.7   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut  ...           1.3   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut  ...           2.0   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut  ...           1.0   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut  ...           1.0   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut  ...           2.0   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut  ...           2.0   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut  ...           1.7   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut  ...           1.7   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  ...           3.0   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut  ...           1.0   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut  ...           1.7   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend  ...           3.7   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut  ...           1.0   \n",
       "\n",
       "   int_grade_X10 5.0_with_noshows total_students      mean  mean_with_noshows  \\\n",
       "0             10                0              1  1.000000           1.000000   \n",
       "1             13                0              1  1.300000           1.300000   \n",
       "2             13                0            110  1.539091           1.539091   \n",
       "3             10                4             36  1.950000           1.950000   \n",
       "4             20               41            201  2.640373           3.109950   \n",
       "5             27              102            820  2.986037           3.153049   \n",
       "6             40              101            235  3.557055           3.999149   \n",
       "7             30              561           1270  3.268137           3.887244   \n",
       "8             27               47            102  3.087879           3.762745   \n",
       "9             10                0             16  1.393750           1.393750   \n",
       "10            27               19             62  2.789583           3.288710   \n",
       "11            10              316            857  3.642751           3.929405   \n",
       "12            27              274            705  3.533932           3.841702   \n",
       "13            17                0              6  1.916667           1.916667   \n",
       "14            13              284            786  3.215097           3.601145   \n",
       "15            17               86            414  2.537752           2.936232   \n",
       "16            13              198            852  3.021674           3.307277   \n",
       "17            20              230            780  3.473520           3.810128   \n",
       "18            10              343           1216  2.860829           3.302385   \n",
       "19            10              243            868  3.291712           3.551498   \n",
       "20            20               46            387  2.796588           2.830749   \n",
       "21            20              199           1073  3.318870           3.530382   \n",
       "22            17              335           1010  3.326112           3.584653   \n",
       "23            17              205           1344  2.508490           2.729092   \n",
       "24            30              201            846  3.744741           3.942080   \n",
       "25            10              255           1447  3.199444           3.208155   \n",
       "26            17              283           1447  3.452271           3.657636   \n",
       "27            37              273           1305  3.891696           4.048812   \n",
       "28            10                2             25  1.126087           1.436000   \n",
       "\n",
       "    standard_deviation         z  standard_deviation_with_noshows  \\\n",
       "0             0.000000       NaN                         0.000000   \n",
       "1             0.000000       NaN                         0.000000   \n",
       "2             0.558748 -0.427905                         0.558748   \n",
       "3             1.277693 -0.743527                         1.277693   \n",
       "4             0.892785 -0.717275                         1.235302   \n",
       "5             0.892316 -0.320556                         1.019147   \n",
       "6             1.175724  0.376742                         1.183755   \n",
       "7             1.130250 -0.237237                         1.228703   \n",
       "8             1.362875 -0.284603                         1.427182   \n",
       "9             0.260933 -1.509009                         0.260933   \n",
       "10            1.128280 -0.079398                         1.356360   \n",
       "11            1.219888 -2.166388                         1.216849   \n",
       "12            1.269960 -0.656660                         1.276994   \n",
       "13            0.606676 -0.357137                         0.606676   \n",
       "14            1.354076 -1.414320                         1.406052   \n",
       "15            1.086086 -0.771350                         1.345754   \n",
       "16            1.202123 -1.432194                         1.311459   \n",
       "17            1.138735 -1.293997                         1.187979   \n",
       "18            1.199585 -1.551227                         1.375342   \n",
       "19            1.209361 -1.894978                         1.271392   \n",
       "20            1.000663 -0.796060                         1.029518   \n",
       "21            1.161719 -1.135275                         1.220915   \n",
       "22            1.211792 -1.341907                         1.267895   \n",
       "23            1.227365 -0.658720                         1.368946   \n",
       "24            0.948878 -0.784865                         0.983662   \n",
       "25            1.403789 -1.566791                         1.405951   \n",
       "26            1.097564 -1.596509                         1.149121   \n",
       "27            0.869407 -0.220491                         0.893399   \n",
       "28            0.301038 -0.418841                         1.089910   \n",
       "\n",
       "    z_with_noshows  \n",
       "0              NaN  \n",
       "1              NaN  \n",
       "2        -0.427905  \n",
       "3        -0.743527  \n",
       "4        -0.898526  \n",
       "5        -0.444537  \n",
       "6         0.000719  \n",
       "7        -0.722098  \n",
       "8        -0.744646  \n",
       "9        -1.509009  \n",
       "10       -0.434037  \n",
       "11       -2.407369  \n",
       "12       -0.894054  \n",
       "13       -0.357137  \n",
       "14       -1.636600  \n",
       "15       -0.918616  \n",
       "16       -1.530568  \n",
       "17       -1.523703  \n",
       "18       -1.674046  \n",
       "19       -2.006854  \n",
       "20       -0.806930  \n",
       "21       -1.253472  \n",
       "22       -1.486443  \n",
       "23       -0.751741  \n",
       "24       -0.957728  \n",
       "25       -1.570577  \n",
       "26       -1.703595  \n",
       "27       -0.390433  \n",
       "28       -0.400033  \n",
       "\n",
       "[29 rows x 43 columns]"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Now compute Z-score with noshows:\n",
    "squared_differences = np.square(np.array([np.array(int_grades)/10,]*len(df)) - np.array([df['mean_with_noshows'],] * len(int_grades)).transpose())\n",
    "df['standard_deviation_with_noshows'] = np.sqrt(np.multiply(df[grades_with_noshows], squared_differences).sum(axis=1) / df['total_students'])\n",
    "df['z_with_noshows'] = (df['numeric_grade'] - df['mean_with_noshows']) / df['standard_deviation_with_noshows']\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "# inclusive definition of percentile\n",
    "df['percentile'] = (np.multiply(np.array([np.array(int_grades),]*len(df)) < np.array([df['int_grade_X10'],] * len(int_grades)).transpose(), df[possible_grades]).sum(axis=1) / df['did_show_up']) * 100"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
       "      <th>grade_date</th>\n",
       "      <th>grade_name_de</th>\n",
       "      <th>...</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "      <th>mean</th>\n",
       "      <th>mean_with_noshows</th>\n",
       "      <th>standard_deviation</th>\n",
       "      <th>z</th>\n",
       "      <th>standard_deviation_with_noshows</th>\n",
       "      <th>z_with_noshows</th>\n",
       "      <th>percentile</th>\n",
       "      <th>percentile_with_noshows</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "      <td>33.636364</td>\n",
       "      <td>33.636364</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "      <td>2.640373</td>\n",
       "      <td>3.109950</td>\n",
       "      <td>0.892785</td>\n",
       "      <td>-0.717275</td>\n",
       "      <td>1.235302</td>\n",
       "      <td>-0.898526</td>\n",
       "      <td>21.118012</td>\n",
       "      <td>16.915423</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "      <td>2.986037</td>\n",
       "      <td>3.153049</td>\n",
       "      <td>0.892316</td>\n",
       "      <td>-0.320556</td>\n",
       "      <td>1.019147</td>\n",
       "      <td>-0.444537</td>\n",
       "      <td>29.787234</td>\n",
       "      <td>27.317073</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "      <td>3.557055</td>\n",
       "      <td>3.999149</td>\n",
       "      <td>1.175724</td>\n",
       "      <td>0.376742</td>\n",
       "      <td>1.183755</td>\n",
       "      <td>0.000719</td>\n",
       "      <td>51.533742</td>\n",
       "      <td>35.744681</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "      <td>3.268137</td>\n",
       "      <td>3.887244</td>\n",
       "      <td>1.130250</td>\n",
       "      <td>-0.237237</td>\n",
       "      <td>1.228703</td>\n",
       "      <td>-0.722098</td>\n",
       "      <td>37.500000</td>\n",
       "      <td>24.094488</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "      <td>3.087879</td>\n",
       "      <td>3.762745</td>\n",
       "      <td>1.362875</td>\n",
       "      <td>-0.284603</td>\n",
       "      <td>1.427182</td>\n",
       "      <td>-0.744646</td>\n",
       "      <td>34.848485</td>\n",
       "      <td>22.549020</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "      <td>2.789583</td>\n",
       "      <td>3.288710</td>\n",
       "      <td>1.128280</td>\n",
       "      <td>-0.079398</td>\n",
       "      <td>1.356360</td>\n",
       "      <td>-0.434037</td>\n",
       "      <td>39.583333</td>\n",
       "      <td>30.645161</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "      <td>3.642751</td>\n",
       "      <td>3.929405</td>\n",
       "      <td>1.219888</td>\n",
       "      <td>-2.166388</td>\n",
       "      <td>1.216849</td>\n",
       "      <td>-2.407369</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "      <td>3.533932</td>\n",
       "      <td>3.841702</td>\n",
       "      <td>1.269960</td>\n",
       "      <td>-0.656660</td>\n",
       "      <td>1.276994</td>\n",
       "      <td>-0.894054</td>\n",
       "      <td>22.082585</td>\n",
       "      <td>17.446809</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "      <td>16.666667</td>\n",
       "      <td>16.666667</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "      <td>3.215097</td>\n",
       "      <td>3.601145</td>\n",
       "      <td>1.354076</td>\n",
       "      <td>-1.414320</td>\n",
       "      <td>1.406052</td>\n",
       "      <td>-1.636600</td>\n",
       "      <td>11.201299</td>\n",
       "      <td>8.778626</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "      <td>2.537752</td>\n",
       "      <td>2.936232</td>\n",
       "      <td>1.086086</td>\n",
       "      <td>-0.771350</td>\n",
       "      <td>1.345754</td>\n",
       "      <td>-0.918616</td>\n",
       "      <td>20.749280</td>\n",
       "      <td>17.391304</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "      <td>3.021674</td>\n",
       "      <td>3.307277</td>\n",
       "      <td>1.202123</td>\n",
       "      <td>-1.432194</td>\n",
       "      <td>1.311459</td>\n",
       "      <td>-1.530568</td>\n",
       "      <td>6.584362</td>\n",
       "      <td>5.633803</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "      <td>3.473520</td>\n",
       "      <td>3.810128</td>\n",
       "      <td>1.138735</td>\n",
       "      <td>-1.293997</td>\n",
       "      <td>1.187979</td>\n",
       "      <td>-1.523703</td>\n",
       "      <td>11.842105</td>\n",
       "      <td>9.230769</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "      <td>2.860829</td>\n",
       "      <td>3.302385</td>\n",
       "      <td>1.199585</td>\n",
       "      <td>-1.551227</td>\n",
       "      <td>1.375342</td>\n",
       "      <td>-1.674046</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "      <td>3.291712</td>\n",
       "      <td>3.551498</td>\n",
       "      <td>1.209361</td>\n",
       "      <td>-1.894978</td>\n",
       "      <td>1.271392</td>\n",
       "      <td>-2.006854</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "      <td>2.796588</td>\n",
       "      <td>2.830749</td>\n",
       "      <td>1.000663</td>\n",
       "      <td>-0.796060</td>\n",
       "      <td>1.029518</td>\n",
       "      <td>-0.806930</td>\n",
       "      <td>6.561680</td>\n",
       "      <td>6.459948</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "      <td>3.318870</td>\n",
       "      <td>3.530382</td>\n",
       "      <td>1.161719</td>\n",
       "      <td>-1.135275</td>\n",
       "      <td>1.220915</td>\n",
       "      <td>-1.253472</td>\n",
       "      <td>13.539446</td>\n",
       "      <td>11.835974</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "      <td>3.326112</td>\n",
       "      <td>3.584653</td>\n",
       "      <td>1.211792</td>\n",
       "      <td>-1.341907</td>\n",
       "      <td>1.267895</td>\n",
       "      <td>-1.486443</td>\n",
       "      <td>7.377049</td>\n",
       "      <td>6.237624</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "      <td>2.508490</td>\n",
       "      <td>2.729092</td>\n",
       "      <td>1.227365</td>\n",
       "      <td>-0.658720</td>\n",
       "      <td>1.368946</td>\n",
       "      <td>-0.751741</td>\n",
       "      <td>24.816327</td>\n",
       "      <td>22.619048</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "      <td>3.744741</td>\n",
       "      <td>3.942080</td>\n",
       "      <td>0.948878</td>\n",
       "      <td>-0.784865</td>\n",
       "      <td>0.983662</td>\n",
       "      <td>-0.957728</td>\n",
       "      <td>18.513324</td>\n",
       "      <td>15.602837</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.199444</td>\n",
       "      <td>3.208155</td>\n",
       "      <td>1.403789</td>\n",
       "      <td>-1.566791</td>\n",
       "      <td>1.405951</td>\n",
       "      <td>-1.570577</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.452271</td>\n",
       "      <td>3.657636</td>\n",
       "      <td>1.097564</td>\n",
       "      <td>-1.596509</td>\n",
       "      <td>1.149121</td>\n",
       "      <td>-1.703595</td>\n",
       "      <td>5.258964</td>\n",
       "      <td>4.561161</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "      <td>3.891696</td>\n",
       "      <td>4.048812</td>\n",
       "      <td>0.869407</td>\n",
       "      <td>-0.220491</td>\n",
       "      <td>0.893399</td>\n",
       "      <td>-0.390433</td>\n",
       "      <td>30.000000</td>\n",
       "      <td>25.747126</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "      <td>1.126087</td>\n",
       "      <td>1.436000</td>\n",
       "      <td>0.301038</td>\n",
       "      <td>-0.418841</td>\n",
       "      <td>1.089910</td>\n",
       "      <td>-0.400033</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>29 rows × 45 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "3                         Systems Programming in C++    \n",
       "4                                       Compilerbau I   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "6                         Computergestützte Statistik   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "8                                  Höhere Algorithmik   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "13                  Seminar Economics and Computation   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "15                          Numerisches Programmieren   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "17                            Analysis für Informatik   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "21                     Lineare Algebra für Informatik   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "26                     Einführung in die Informatik 1   \n",
       "27                                Diskrete Strukturen   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "3                         Systems Programming in C++     10           21S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "6                            Computational Statistics     6           21S   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de  ... 5.0_with_noshows  \\\n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut  ...                0   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut  ...                0   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut  ...                0   \n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut  ...                4   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut  ...               41   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  ...              102   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend  ...              101   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  ...              561   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  ...               47   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut  ...                0   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  ...               19   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut  ...              316   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  ...              274   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut  ...                0   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut  ...              284   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut  ...               86   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut  ...              198   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut  ...              230   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut  ...              343   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut  ...              243   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut  ...               46   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut  ...              199   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut  ...              335   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut  ...              205   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  ...              201   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut  ...              255   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut  ...              283   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend  ...              273   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut  ...                2   \n",
       "\n",
       "   total_students      mean mean_with_noshows  standard_deviation         z  \\\n",
       "0               1  1.000000          1.000000            0.000000       NaN   \n",
       "1               1  1.300000          1.300000            0.000000       NaN   \n",
       "2             110  1.539091          1.539091            0.558748 -0.427905   \n",
       "3              36  1.950000          1.950000            1.277693 -0.743527   \n",
       "4             201  2.640373          3.109950            0.892785 -0.717275   \n",
       "5             820  2.986037          3.153049            0.892316 -0.320556   \n",
       "6             235  3.557055          3.999149            1.175724  0.376742   \n",
       "7            1270  3.268137          3.887244            1.130250 -0.237237   \n",
       "8             102  3.087879          3.762745            1.362875 -0.284603   \n",
       "9              16  1.393750          1.393750            0.260933 -1.509009   \n",
       "10             62  2.789583          3.288710            1.128280 -0.079398   \n",
       "11            857  3.642751          3.929405            1.219888 -2.166388   \n",
       "12            705  3.533932          3.841702            1.269960 -0.656660   \n",
       "13              6  1.916667          1.916667            0.606676 -0.357137   \n",
       "14            786  3.215097          3.601145            1.354076 -1.414320   \n",
       "15            414  2.537752          2.936232            1.086086 -0.771350   \n",
       "16            852  3.021674          3.307277            1.202123 -1.432194   \n",
       "17            780  3.473520          3.810128            1.138735 -1.293997   \n",
       "18           1216  2.860829          3.302385            1.199585 -1.551227   \n",
       "19            868  3.291712          3.551498            1.209361 -1.894978   \n",
       "20            387  2.796588          2.830749            1.000663 -0.796060   \n",
       "21           1073  3.318870          3.530382            1.161719 -1.135275   \n",
       "22           1010  3.326112          3.584653            1.211792 -1.341907   \n",
       "23           1344  2.508490          2.729092            1.227365 -0.658720   \n",
       "24            846  3.744741          3.942080            0.948878 -0.784865   \n",
       "25           1447  3.199444          3.208155            1.403789 -1.566791   \n",
       "26           1447  3.452271          3.657636            1.097564 -1.596509   \n",
       "27           1305  3.891696          4.048812            0.869407 -0.220491   \n",
       "28             25  1.126087          1.436000            0.301038 -0.418841   \n",
       "\n",
       "    standard_deviation_with_noshows  z_with_noshows  percentile  \\\n",
       "0                          0.000000             NaN    0.000000   \n",
       "1                          0.000000             NaN    0.000000   \n",
       "2                          0.558748       -0.427905   33.636364   \n",
       "3                          1.277693       -0.743527    0.000000   \n",
       "4                          1.235302       -0.898526   21.118012   \n",
       "5                          1.019147       -0.444537   29.787234   \n",
       "6                          1.183755        0.000719   51.533742   \n",
       "7                          1.228703       -0.722098   37.500000   \n",
       "8                          1.427182       -0.744646   34.848485   \n",
       "9                          0.260933       -1.509009    0.000000   \n",
       "10                         1.356360       -0.434037   39.583333   \n",
       "11                         1.216849       -2.407369    0.000000   \n",
       "12                         1.276994       -0.894054   22.082585   \n",
       "13                         0.606676       -0.357137   16.666667   \n",
       "14                         1.406052       -1.636600   11.201299   \n",
       "15                         1.345754       -0.918616   20.749280   \n",
       "16                         1.311459       -1.530568    6.584362   \n",
       "17                         1.187979       -1.523703   11.842105   \n",
       "18                         1.375342       -1.674046    0.000000   \n",
       "19                         1.271392       -2.006854    0.000000   \n",
       "20                         1.029518       -0.806930    6.561680   \n",
       "21                         1.220915       -1.253472   13.539446   \n",
       "22                         1.267895       -1.486443    7.377049   \n",
       "23                         1.368946       -0.751741   24.816327   \n",
       "24                         0.983662       -0.957728   18.513324   \n",
       "25                         1.405951       -1.570577    0.000000   \n",
       "26                         1.149121       -1.703595    5.258964   \n",
       "27                         0.893399       -0.390433   30.000000   \n",
       "28                         1.089910       -0.400033    0.000000   \n",
       "\n",
       "    percentile_with_noshows  \n",
       "0                  0.000000  \n",
       "1                  0.000000  \n",
       "2                 33.636364  \n",
       "3                  0.000000  \n",
       "4                 16.915423  \n",
       "5                 27.317073  \n",
       "6                 35.744681  \n",
       "7                 24.094488  \n",
       "8                 22.549020  \n",
       "9                  0.000000  \n",
       "10                30.645161  \n",
       "11                 0.000000  \n",
       "12                17.446809  \n",
       "13                16.666667  \n",
       "14                 8.778626  \n",
       "15                17.391304  \n",
       "16                 5.633803  \n",
       "17                 9.230769  \n",
       "18                 0.000000  \n",
       "19                 0.000000  \n",
       "20                 6.459948  \n",
       "21                11.835974  \n",
       "22                 6.237624  \n",
       "23                22.619048  \n",
       "24                15.602837  \n",
       "25                 0.000000  \n",
       "26                 4.561161  \n",
       "27                25.747126  \n",
       "28                 0.000000  \n",
       "\n",
       "[29 rows x 45 columns]"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# calculate percentile including noshows\n",
    "df['percentile_with_noshows'] = (np.multiply(np.array([np.array(int_grades),]*len(df)) < np.array([df['int_grade_X10'],] * len(int_grades)).transpose(), df[grades_with_noshows]).sum(axis=1) / df['total_students']) * 100\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "-0.8198824179720919\n",
      "-0.9725575675566105\n"
     ]
    }
   ],
   "source": [
    "# mean Z score\n",
    "mean_z_score = np.multiply(df['z'], df['grade_weight']).sum() / df['grade_weight'].sum()\n",
    "print(mean_z_score)\n",
    "mean_z_score_with_noshows = np.multiply(df['z_with_noshows'], df['grade_weight']).sum() / df['grade_weight'].sum()\n",
    "print(mean_z_score_with_noshows)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1.8571428571428574\n"
     ]
    }
   ],
   "source": [
    "avg_grade = np.multiply(df['numeric_grade'], df['grade_weight']).sum() / df['grade_weight'].sum()\n",
    "print(avg_grade)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "13.647289957240263\n",
      "11.479537280062214\n"
     ]
    }
   ],
   "source": [
    "# Percentile is weighted by the grade weight and by the number of students in the course.\n",
    "weights = np.multiply(df['did_show_up'], df['grade_weight'])\n",
    "avg_percentile = np.multiply(df['percentile'], weights).sum() / weights.sum()\n",
    "print(avg_percentile)\n",
    "weights = np.multiply(df['total_students'], df['grade_weight'])\n",
    "avg_percentile_with_noshows = np.multiply(df['percentile_with_noshows'], weights).sum() / weights.sum()\n",
    "print(avg_percentile_with_noshows)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "total_ects = df['ects'].sum()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/html": [
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       "    .dataframe tbody tr th {\n",
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       "    }\n",
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       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course_name_de</th>\n",
       "      <th>course_name_en</th>\n",
       "      <th>ects</th>\n",
       "      <th>semester_code</th>\n",
       "      <th>semester_name_de</th>\n",
       "      <th>semester_name_en</th>\n",
       "      <th>semester_start_date</th>\n",
       "      <th>semester_end_date</th>\n",
       "      <th>grade_date</th>\n",
       "      <th>grade_name_de</th>\n",
       "      <th>...</th>\n",
       "      <th>5.0_with_noshows</th>\n",
       "      <th>total_students</th>\n",
       "      <th>mean</th>\n",
       "      <th>mean_with_noshows</th>\n",
       "      <th>standard_deviation</th>\n",
       "      <th>z</th>\n",
       "      <th>standard_deviation_with_noshows</th>\n",
       "      <th>z_with_noshows</th>\n",
       "      <th>percentile</th>\n",
       "      <th>percentile_with_noshows</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>Systems Programming in C++</td>\n",
       "      <td>10</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-09-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>4</td>\n",
       "      <td>36</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.950000</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "      <td>1.277693</td>\n",
       "      <td>-0.743527</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Einführung in die Theoretische Informatik</td>\n",
       "      <td>Introduction to Theory of Computation</td>\n",
       "      <td>8</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-13T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>316</td>\n",
       "      <td>857</td>\n",
       "      <td>3.642751</td>\n",
       "      <td>3.929405</td>\n",
       "      <td>1.219888</td>\n",
       "      <td>-2.166388</td>\n",
       "      <td>1.216849</td>\n",
       "      <td>-2.407369</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Praktikum Grundlagen der Programmierung</td>\n",
       "      <td>Fundamentals of Programming (Exercises &amp; Labor...</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-20T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>255</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.199444</td>\n",
       "      <td>3.208155</td>\n",
       "      <td>1.403789</td>\n",
       "      <td>-1.566791</td>\n",
       "      <td>1.405951</td>\n",
       "      <td>-1.570577</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Grundlagen: Datenbanken</td>\n",
       "      <td>Fundamentals of Databases</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-14T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>343</td>\n",
       "      <td>1216</td>\n",
       "      <td>2.860829</td>\n",
       "      <td>3.302385</td>\n",
       "      <td>1.199585</td>\n",
       "      <td>-1.551227</td>\n",
       "      <td>1.375342</td>\n",
       "      <td>-1.674046</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Funktionale Programmierung und Verifikation</td>\n",
       "      <td>Functional Programming and Verification</td>\n",
       "      <td>5</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-08T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>243</td>\n",
       "      <td>868</td>\n",
       "      <td>3.291712</td>\n",
       "      <td>3.551498</td>\n",
       "      <td>1.209361</td>\n",
       "      <td>-1.894978</td>\n",
       "      <td>1.271392</td>\n",
       "      <td>-2.006854</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Blockkurs Spanisch A1</td>\n",
       "      <td>Intensive Course Spanish A1</td>\n",
       "      <td>3</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-09-09T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>16</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>1.393750</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "      <td>0.260933</td>\n",
       "      <td>-1.509009</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>Deutsch im Bachelorstudium C1 - Informatik: Wi...</td>\n",
       "      <td>German for Bachelor's Students C1 - Informatic...</td>\n",
       "      <td>3</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-06T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>2</td>\n",
       "      <td>25</td>\n",
       "      <td>1.126087</td>\n",
       "      <td>1.436000</td>\n",
       "      <td>0.301038</td>\n",
       "      <td>-0.418841</td>\n",
       "      <td>1.089910</td>\n",
       "      <td>-0.400033</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Bachelor-Kolloquium</td>\n",
       "      <td>Bachelor's Colloquium</td>\n",
       "      <td>3</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-05-03T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Sichere Ausführung von WebAssembly während der...</td>\n",
       "      <td>Safe Execution of WebAssembly during Query Pro...</td>\n",
       "      <td>12</td>\n",
       "      <td>22S</td>\n",
       "      <td>Sommersemester 2022</td>\n",
       "      <td>Summer semester 2022</td>\n",
       "      <td>2022-04-01</td>\n",
       "      <td>2022-09-30</td>\n",
       "      <td>2022-04-19T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Grundlagen: Betriebssysteme und Systemsoftware</td>\n",
       "      <td>Basic Principles: Operating Systems and System...</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-24T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>198</td>\n",
       "      <td>852</td>\n",
       "      <td>3.021674</td>\n",
       "      <td>3.307277</td>\n",
       "      <td>1.202123</td>\n",
       "      <td>-1.432194</td>\n",
       "      <td>1.311459</td>\n",
       "      <td>-1.530568</td>\n",
       "      <td>6.584362</td>\n",
       "      <td>5.633803</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Grundlagen: Rechnernetze und Verteilte Systeme</td>\n",
       "      <td>Introduction to Computer Networking and Distri...</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-30T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>284</td>\n",
       "      <td>786</td>\n",
       "      <td>3.215097</td>\n",
       "      <td>3.601145</td>\n",
       "      <td>1.354076</td>\n",
       "      <td>-1.414320</td>\n",
       "      <td>1.406052</td>\n",
       "      <td>-1.636600</td>\n",
       "      <td>11.201299</td>\n",
       "      <td>8.778626</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Technik, Natur und Gesellschaft</td>\n",
       "      <td>Technology, Nature, and Society</td>\n",
       "      <td>3</td>\n",
       "      <td>21W</td>\n",
       "      <td>Wintersemester 2021/22</td>\n",
       "      <td>Winter semester 2021/22</td>\n",
       "      <td>2021-10-01</td>\n",
       "      <td>2022-03-31</td>\n",
       "      <td>2022-02-07T00:00:00</td>\n",
       "      <td>sehr gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>1.539091</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "      <td>0.558748</td>\n",
       "      <td>-0.427905</td>\n",
       "      <td>33.636364</td>\n",
       "      <td>33.636364</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Einführung in die Informatik 1</td>\n",
       "      <td>Introduction to Informatics 1</td>\n",
       "      <td>6</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-19T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>283</td>\n",
       "      <td>1447</td>\n",
       "      <td>3.452271</td>\n",
       "      <td>3.657636</td>\n",
       "      <td>1.097564</td>\n",
       "      <td>-1.596509</td>\n",
       "      <td>1.149121</td>\n",
       "      <td>-1.703595</td>\n",
       "      <td>5.258964</td>\n",
       "      <td>4.561161</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>Grundlagen: Algorithmen und Datenstrukturen</td>\n",
       "      <td>Fundamentals of Algorithms and Data Structures</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-05T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>335</td>\n",
       "      <td>1010</td>\n",
       "      <td>3.326112</td>\n",
       "      <td>3.584653</td>\n",
       "      <td>1.211792</td>\n",
       "      <td>-1.341907</td>\n",
       "      <td>1.267895</td>\n",
       "      <td>-1.486443</td>\n",
       "      <td>7.377049</td>\n",
       "      <td>6.237624</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Numerisches Programmieren</td>\n",
       "      <td>Numerical Programming</td>\n",
       "      <td>6</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-25T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>86</td>\n",
       "      <td>414</td>\n",
       "      <td>2.537752</td>\n",
       "      <td>2.936232</td>\n",
       "      <td>1.086086</td>\n",
       "      <td>-0.771350</td>\n",
       "      <td>1.345754</td>\n",
       "      <td>-0.918616</td>\n",
       "      <td>20.749280</td>\n",
       "      <td>17.391304</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Einführung in die Softwaretechnik</td>\n",
       "      <td>Introduction to Software Engineering</td>\n",
       "      <td>6</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-02T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>205</td>\n",
       "      <td>1344</td>\n",
       "      <td>2.508490</td>\n",
       "      <td>2.729092</td>\n",
       "      <td>1.227365</td>\n",
       "      <td>-0.658720</td>\n",
       "      <td>1.368946</td>\n",
       "      <td>-0.751741</td>\n",
       "      <td>24.816327</td>\n",
       "      <td>22.619048</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Seminar Economics and Computation</td>\n",
       "      <td>Advanced Seminar Course - Economics and Comput...</td>\n",
       "      <td>5</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-07-31T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>1.916667</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "      <td>0.606676</td>\n",
       "      <td>-0.357137</td>\n",
       "      <td>16.666667</td>\n",
       "      <td>16.666667</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>Rechnerarchitektur-Praktikum\\t</td>\n",
       "      <td>Laboratory: Computer Organization and Computer...</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-22T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>46</td>\n",
       "      <td>387</td>\n",
       "      <td>2.796588</td>\n",
       "      <td>2.830749</td>\n",
       "      <td>1.000663</td>\n",
       "      <td>-0.796060</td>\n",
       "      <td>1.029518</td>\n",
       "      <td>-0.806930</td>\n",
       "      <td>6.561680</td>\n",
       "      <td>6.459948</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Analysis für Informatik</td>\n",
       "      <td>Analysis for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19W</td>\n",
       "      <td>Wintersemester 2019/20</td>\n",
       "      <td>Winter semester 2019/20</td>\n",
       "      <td>2019-10-01</td>\n",
       "      <td>2020-03-31</td>\n",
       "      <td>2020-02-21T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>230</td>\n",
       "      <td>780</td>\n",
       "      <td>3.473520</td>\n",
       "      <td>3.810128</td>\n",
       "      <td>1.138735</td>\n",
       "      <td>-1.293997</td>\n",
       "      <td>1.187979</td>\n",
       "      <td>-1.523703</td>\n",
       "      <td>11.842105</td>\n",
       "      <td>9.230769</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>Lineare Algebra für Informatik</td>\n",
       "      <td>Linear Algebra for Informatics</td>\n",
       "      <td>8</td>\n",
       "      <td>19S</td>\n",
       "      <td>Sommersemester 2019</td>\n",
       "      <td>Summer semester 2019</td>\n",
       "      <td>2019-04-01</td>\n",
       "      <td>2019-09-30</td>\n",
       "      <td>2019-08-17T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>199</td>\n",
       "      <td>1073</td>\n",
       "      <td>3.318870</td>\n",
       "      <td>3.530382</td>\n",
       "      <td>1.161719</td>\n",
       "      <td>-1.135275</td>\n",
       "      <td>1.220915</td>\n",
       "      <td>-1.253472</td>\n",
       "      <td>13.539446</td>\n",
       "      <td>11.835974</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Compilerbau I</td>\n",
       "      <td>Compiler Construction I</td>\n",
       "      <td>5</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-26T00:00:00</td>\n",
       "      <td>gut</td>\n",
       "      <td>...</td>\n",
       "      <td>41</td>\n",
       "      <td>201</td>\n",
       "      <td>2.640373</td>\n",
       "      <td>3.109950</td>\n",
       "      <td>0.892785</td>\n",
       "      <td>-0.717275</td>\n",
       "      <td>1.235302</td>\n",
       "      <td>-0.898526</td>\n",
       "      <td>21.118012</td>\n",
       "      <td>16.915423</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Modellbildung und Simulation (Fokus Analysis)</td>\n",
       "      <td>Modelling and Simulation (Focus Analysis)</td>\n",
       "      <td>9</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-14T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>19</td>\n",
       "      <td>62</td>\n",
       "      <td>2.789583</td>\n",
       "      <td>3.288710</td>\n",
       "      <td>1.128280</td>\n",
       "      <td>-0.079398</td>\n",
       "      <td>1.356360</td>\n",
       "      <td>-0.434037</td>\n",
       "      <td>39.583333</td>\n",
       "      <td>30.645161</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Diskrete Wahrscheinlichkeitstheorie</td>\n",
       "      <td>Discrete Probability Theory</td>\n",
       "      <td>6</td>\n",
       "      <td>20S</td>\n",
       "      <td>Sommersemester 2020</td>\n",
       "      <td>Summer semester 2020</td>\n",
       "      <td>2020-04-01</td>\n",
       "      <td>2020-09-30</td>\n",
       "      <td>2020-08-05T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>274</td>\n",
       "      <td>705</td>\n",
       "      <td>3.533932</td>\n",
       "      <td>3.841702</td>\n",
       "      <td>1.269960</td>\n",
       "      <td>-0.656660</td>\n",
       "      <td>1.276994</td>\n",
       "      <td>-0.894054</td>\n",
       "      <td>22.082585</td>\n",
       "      <td>17.446809</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Statistik für BWL (Einführung mit R)</td>\n",
       "      <td>Statistics for Business Administration</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-22T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>102</td>\n",
       "      <td>820</td>\n",
       "      <td>2.986037</td>\n",
       "      <td>3.153049</td>\n",
       "      <td>0.892316</td>\n",
       "      <td>-0.320556</td>\n",
       "      <td>1.019147</td>\n",
       "      <td>-0.444537</td>\n",
       "      <td>29.787234</td>\n",
       "      <td>27.317073</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Höhere Algorithmik</td>\n",
       "      <td>Advanced Algorithms</td>\n",
       "      <td>6</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-02-23T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>47</td>\n",
       "      <td>102</td>\n",
       "      <td>3.087879</td>\n",
       "      <td>3.762745</td>\n",
       "      <td>1.362875</td>\n",
       "      <td>-0.284603</td>\n",
       "      <td>1.427182</td>\n",
       "      <td>-0.744646</td>\n",
       "      <td>34.848485</td>\n",
       "      <td>22.549020</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>Einführung in die Rechnerarchitektur</td>\n",
       "      <td>Introduction to Computer Organization and Tech...</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-27T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>201</td>\n",
       "      <td>846</td>\n",
       "      <td>3.744741</td>\n",
       "      <td>3.942080</td>\n",
       "      <td>0.948878</td>\n",
       "      <td>-0.784865</td>\n",
       "      <td>0.983662</td>\n",
       "      <td>-0.957728</td>\n",
       "      <td>18.513324</td>\n",
       "      <td>15.602837</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Grundlagen der Künstlichen Intelligenz</td>\n",
       "      <td>Techniques in Artificial Intelligence</td>\n",
       "      <td>5</td>\n",
       "      <td>20W</td>\n",
       "      <td>Wintersemester 2020/21</td>\n",
       "      <td>Winter semester 2020/21</td>\n",
       "      <td>2020-10-01</td>\n",
       "      <td>2021-03-31</td>\n",
       "      <td>2021-03-01T00:00:00</td>\n",
       "      <td>befriedigend</td>\n",
       "      <td>...</td>\n",
       "      <td>561</td>\n",
       "      <td>1270</td>\n",
       "      <td>3.268137</td>\n",
       "      <td>3.887244</td>\n",
       "      <td>1.130250</td>\n",
       "      <td>-0.237237</td>\n",
       "      <td>1.228703</td>\n",
       "      <td>-0.722098</td>\n",
       "      <td>37.500000</td>\n",
       "      <td>24.094488</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Diskrete Strukturen</td>\n",
       "      <td>Discrete Structures</td>\n",
       "      <td>8</td>\n",
       "      <td>18W</td>\n",
       "      <td>Wintersemester 2018/19</td>\n",
       "      <td>Winter semester 2018/19</td>\n",
       "      <td>2018-10-01</td>\n",
       "      <td>2019-03-31</td>\n",
       "      <td>2019-02-16T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>273</td>\n",
       "      <td>1305</td>\n",
       "      <td>3.891696</td>\n",
       "      <td>4.048812</td>\n",
       "      <td>0.869407</td>\n",
       "      <td>-0.220491</td>\n",
       "      <td>0.893399</td>\n",
       "      <td>-0.390433</td>\n",
       "      <td>30.000000</td>\n",
       "      <td>25.747126</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Computergestützte Statistik</td>\n",
       "      <td>Computational Statistics</td>\n",
       "      <td>6</td>\n",
       "      <td>21S</td>\n",
       "      <td>Sommersemester 2021</td>\n",
       "      <td>Summer semester 2021</td>\n",
       "      <td>2021-04-01</td>\n",
       "      <td>2021-09-30</td>\n",
       "      <td>2021-07-20T00:00:00</td>\n",
       "      <td>ausreichend</td>\n",
       "      <td>...</td>\n",
       "      <td>101</td>\n",
       "      <td>235</td>\n",
       "      <td>3.557055</td>\n",
       "      <td>3.999149</td>\n",
       "      <td>1.175724</td>\n",
       "      <td>0.376742</td>\n",
       "      <td>1.183755</td>\n",
       "      <td>0.000719</td>\n",
       "      <td>51.533742</td>\n",
       "      <td>35.744681</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>29 rows × 45 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                       course_name_de  \\\n",
       "3                         Systems Programming in C++    \n",
       "11          Einführung in die Theoretische Informatik   \n",
       "25            Praktikum Grundlagen der Programmierung   \n",
       "18                            Grundlagen: Datenbanken   \n",
       "19        Funktionale Programmierung und Verifikation   \n",
       "9                               Blockkurs Spanisch A1   \n",
       "28  Deutsch im Bachelorstudium C1 - Informatik: Wi...   \n",
       "0                                 Bachelor-Kolloquium   \n",
       "1   Sichere Ausführung von WebAssembly während der...   \n",
       "16     Grundlagen: Betriebssysteme und Systemsoftware   \n",
       "14     Grundlagen: Rechnernetze und Verteilte Systeme   \n",
       "2                     Technik, Natur und Gesellschaft   \n",
       "26                     Einführung in die Informatik 1   \n",
       "22        Grundlagen: Algorithmen und Datenstrukturen   \n",
       "15                          Numerisches Programmieren   \n",
       "23                  Einführung in die Softwaretechnik   \n",
       "13                  Seminar Economics and Computation   \n",
       "20                    Rechnerarchitektur-Praktikum\\t    \n",
       "17                            Analysis für Informatik   \n",
       "21                     Lineare Algebra für Informatik   \n",
       "4                                       Compilerbau I   \n",
       "10      Modellbildung und Simulation (Fokus Analysis)   \n",
       "12                Diskrete Wahrscheinlichkeitstheorie   \n",
       "5                Statistik für BWL (Einführung mit R)   \n",
       "8                                  Höhere Algorithmik   \n",
       "24               Einführung in die Rechnerarchitektur   \n",
       "7              Grundlagen der Künstlichen Intelligenz   \n",
       "27                                Diskrete Strukturen   \n",
       "6                         Computergestützte Statistik   \n",
       "\n",
       "                                       course_name_en  ects semester_code  \\\n",
       "3                         Systems Programming in C++     10           21S   \n",
       "11              Introduction to Theory of Computation     8           20S   \n",
       "25  Fundamentals of Programming (Exercises & Labor...     6           18W   \n",
       "18                          Fundamentals of Databases     6           19W   \n",
       "19            Functional Programming and Verification     5           19W   \n",
       "9                         Intensive Course Spanish A1     3           20S   \n",
       "28  German for Bachelor's Students C1 - Informatic...     3           18W   \n",
       "0                               Bachelor's Colloquium     3           22S   \n",
       "1   Safe Execution of WebAssembly during Query Pro...    12           22S   \n",
       "16  Basic Principles: Operating Systems and System...     6           19W   \n",
       "14  Introduction to Computer Networking and Distri...     6           20S   \n",
       "2                     Technology, Nature, and Society     3           21W   \n",
       "26                      Introduction to Informatics 1     6           18W   \n",
       "22     Fundamentals of Algorithms and Data Structures     6           19S   \n",
       "15                              Numerical Programming     6           19W   \n",
       "23               Introduction to Software Engineering     6           19S   \n",
       "13  Advanced Seminar Course - Economics and Comput...     5           20S   \n",
       "20  Laboratory: Computer Organization and Computer...     8           19S   \n",
       "17                           Analysis for Informatics     8           19W   \n",
       "21                     Linear Algebra for Informatics     8           19S   \n",
       "4                             Compiler Construction I     5           21S   \n",
       "10          Modelling and Simulation (Focus Analysis)     9           20S   \n",
       "12                        Discrete Probability Theory     6           20S   \n",
       "5              Statistics for Business Administration     6           21S   \n",
       "8                                 Advanced Algorithms     6           20W   \n",
       "24  Introduction to Computer Organization and Tech...     8           18W   \n",
       "7               Techniques in Artificial Intelligence     5           20W   \n",
       "27                                Discrete Structures     8           18W   \n",
       "6                            Computational Statistics     6           21S   \n",
       "\n",
       "          semester_name_de         semester_name_en semester_start_date  \\\n",
       "3      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "11     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "25  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "18  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "19  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "9      Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "28  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "0      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "1      Sommersemester 2022     Summer semester 2022          2022-04-01   \n",
       "16  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "14     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "2   Wintersemester 2021/22  Winter semester 2021/22          2021-10-01   \n",
       "26  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "22     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "15  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "23     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "13     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "20     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "17  Wintersemester 2019/20  Winter semester 2019/20          2019-10-01   \n",
       "21     Sommersemester 2019     Summer semester 2019          2019-04-01   \n",
       "4      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "10     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "12     Sommersemester 2020     Summer semester 2020          2020-04-01   \n",
       "5      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "8   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "24  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "7   Wintersemester 2020/21  Winter semester 2020/21          2020-10-01   \n",
       "27  Wintersemester 2018/19  Winter semester 2018/19          2018-10-01   \n",
       "6      Sommersemester 2021     Summer semester 2021          2021-04-01   \n",
       "\n",
       "   semester_end_date           grade_date grade_name_de  ... 5.0_with_noshows  \\\n",
       "3         2021-09-30  2021-09-14T00:00:00      sehr gut  ...                4   \n",
       "11        2020-09-30  2020-08-13T00:00:00      sehr gut  ...              316   \n",
       "25        2019-03-31  2019-02-20T00:00:00      sehr gut  ...              255   \n",
       "18        2020-03-31  2020-02-14T00:00:00      sehr gut  ...              343   \n",
       "19        2020-03-31  2020-02-08T00:00:00      sehr gut  ...              243   \n",
       "9         2020-09-30  2020-09-09T00:00:00      sehr gut  ...                0   \n",
       "28        2019-03-31  2019-02-06T00:00:00      sehr gut  ...                2   \n",
       "0         2022-09-30  2022-05-03T00:00:00      sehr gut  ...                0   \n",
       "1         2022-09-30  2022-04-19T00:00:00      sehr gut  ...                0   \n",
       "16        2020-03-31  2020-02-24T00:00:00      sehr gut  ...              198   \n",
       "14        2020-09-30  2020-07-30T00:00:00      sehr gut  ...              284   \n",
       "2         2022-03-31  2022-02-07T00:00:00      sehr gut  ...                0   \n",
       "26        2019-03-31  2019-02-19T00:00:00           gut  ...              283   \n",
       "22        2019-09-30  2019-08-05T00:00:00           gut  ...              335   \n",
       "15        2020-03-31  2020-02-25T00:00:00           gut  ...               86   \n",
       "23        2019-09-30  2019-08-02T00:00:00           gut  ...              205   \n",
       "13        2020-09-30  2020-07-31T00:00:00           gut  ...                0   \n",
       "20        2019-09-30  2019-08-22T00:00:00           gut  ...               46   \n",
       "17        2020-03-31  2020-02-21T00:00:00           gut  ...              230   \n",
       "21        2019-09-30  2019-08-17T00:00:00           gut  ...              199   \n",
       "4         2021-09-30  2021-07-26T00:00:00           gut  ...               41   \n",
       "10        2020-09-30  2020-08-14T00:00:00  befriedigend  ...               19   \n",
       "12        2020-09-30  2020-08-05T00:00:00  befriedigend  ...              274   \n",
       "5         2021-09-30  2021-07-22T00:00:00  befriedigend  ...              102   \n",
       "8         2021-03-31  2021-02-23T00:00:00  befriedigend  ...               47   \n",
       "24        2019-03-31  2019-02-27T00:00:00  befriedigend  ...              201   \n",
       "7         2021-03-31  2021-03-01T00:00:00  befriedigend  ...              561   \n",
       "27        2019-03-31  2019-02-16T00:00:00   ausreichend  ...              273   \n",
       "6         2021-09-30  2021-07-20T00:00:00   ausreichend  ...              101   \n",
       "\n",
       "   total_students      mean mean_with_noshows  standard_deviation         z  \\\n",
       "3              36  1.950000          1.950000            1.277693 -0.743527   \n",
       "11            857  3.642751          3.929405            1.219888 -2.166388   \n",
       "25           1447  3.199444          3.208155            1.403789 -1.566791   \n",
       "18           1216  2.860829          3.302385            1.199585 -1.551227   \n",
       "19            868  3.291712          3.551498            1.209361 -1.894978   \n",
       "9              16  1.393750          1.393750            0.260933 -1.509009   \n",
       "28             25  1.126087          1.436000            0.301038 -0.418841   \n",
       "0               1  1.000000          1.000000            0.000000  0.000000   \n",
       "1               1  1.300000          1.300000            0.000000  0.000000   \n",
       "16            852  3.021674          3.307277            1.202123 -1.432194   \n",
       "14            786  3.215097          3.601145            1.354076 -1.414320   \n",
       "2             110  1.539091          1.539091            0.558748 -0.427905   \n",
       "26           1447  3.452271          3.657636            1.097564 -1.596509   \n",
       "22           1010  3.326112          3.584653            1.211792 -1.341907   \n",
       "15            414  2.537752          2.936232            1.086086 -0.771350   \n",
       "23           1344  2.508490          2.729092            1.227365 -0.658720   \n",
       "13              6  1.916667          1.916667            0.606676 -0.357137   \n",
       "20            387  2.796588          2.830749            1.000663 -0.796060   \n",
       "17            780  3.473520          3.810128            1.138735 -1.293997   \n",
       "21           1073  3.318870          3.530382            1.161719 -1.135275   \n",
       "4             201  2.640373          3.109950            0.892785 -0.717275   \n",
       "10             62  2.789583          3.288710            1.128280 -0.079398   \n",
       "12            705  3.533932          3.841702            1.269960 -0.656660   \n",
       "5             820  2.986037          3.153049            0.892316 -0.320556   \n",
       "8             102  3.087879          3.762745            1.362875 -0.284603   \n",
       "24            846  3.744741          3.942080            0.948878 -0.784865   \n",
       "7            1270  3.268137          3.887244            1.130250 -0.237237   \n",
       "27           1305  3.891696          4.048812            0.869407 -0.220491   \n",
       "6             235  3.557055          3.999149            1.175724  0.376742   \n",
       "\n",
       "    standard_deviation_with_noshows  z_with_noshows  percentile  \\\n",
       "3                          1.277693       -0.743527    0.000000   \n",
       "11                         1.216849       -2.407369    0.000000   \n",
       "25                         1.405951       -1.570577    0.000000   \n",
       "18                         1.375342       -1.674046    0.000000   \n",
       "19                         1.271392       -2.006854    0.000000   \n",
       "9                          0.260933       -1.509009    0.000000   \n",
       "28                         1.089910       -0.400033    0.000000   \n",
       "0                          0.000000        0.000000    0.000000   \n",
       "1                          0.000000        0.000000    0.000000   \n",
       "16                         1.311459       -1.530568    6.584362   \n",
       "14                         1.406052       -1.636600   11.201299   \n",
       "2                          0.558748       -0.427905   33.636364   \n",
       "26                         1.149121       -1.703595    5.258964   \n",
       "22                         1.267895       -1.486443    7.377049   \n",
       "15                         1.345754       -0.918616   20.749280   \n",
       "23                         1.368946       -0.751741   24.816327   \n",
       "13                         0.606676       -0.357137   16.666667   \n",
       "20                         1.029518       -0.806930    6.561680   \n",
       "17                         1.187979       -1.523703   11.842105   \n",
       "21                         1.220915       -1.253472   13.539446   \n",
       "4                          1.235302       -0.898526   21.118012   \n",
       "10                         1.356360       -0.434037   39.583333   \n",
       "12                         1.276994       -0.894054   22.082585   \n",
       "5                          1.019147       -0.444537   29.787234   \n",
       "8                          1.427182       -0.744646   34.848485   \n",
       "24                         0.983662       -0.957728   18.513324   \n",
       "7                          1.228703       -0.722098   37.500000   \n",
       "27                         0.893399       -0.390433   30.000000   \n",
       "6                          1.183755        0.000719   51.533742   \n",
       "\n",
       "    percentile_with_noshows  \n",
       "3                  0.000000  \n",
       "11                 0.000000  \n",
       "25                 0.000000  \n",
       "18                 0.000000  \n",
       "19                 0.000000  \n",
       "9                  0.000000  \n",
       "28                 0.000000  \n",
       "0                  0.000000  \n",
       "1                  0.000000  \n",
       "16                 5.633803  \n",
       "14                 8.778626  \n",
       "2                 33.636364  \n",
       "26                 4.561161  \n",
       "22                 6.237624  \n",
       "15                17.391304  \n",
       "23                22.619048  \n",
       "13                16.666667  \n",
       "20                 6.459948  \n",
       "17                 9.230769  \n",
       "21                11.835974  \n",
       "4                 16.915423  \n",
       "10                30.645161  \n",
       "12                17.446809  \n",
       "5                 27.317073  \n",
       "8                 22.549020  \n",
       "24                15.602837  \n",
       "7                 24.094488  \n",
       "27                25.747126  \n",
       "6                 35.744681  \n",
       "\n",
       "[29 rows x 45 columns]"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.fillna(0, inplace=True)\n",
    "df.sort_values(by=['grade','ects', 'percentile', 'z', 'semester_start_date', 'course_name_en'], \n",
    "               ascending=[True, False, True, True, True, True], inplace=True, )\n",
    "df"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Save the DataFrame data to a json:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [],
   "source": [
    "df.to_json(path_or_buf='docs/js/grade_data.json', orient='records')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>1.0</th>\n",
       "      <th>1.3</th>\n",
       "      <th>1.4</th>\n",
       "      <th>1.7</th>\n",
       "      <th>2.0</th>\n",
       "      <th>2.3</th>\n",
       "      <th>2.4</th>\n",
       "      <th>2.7</th>\n",
       "      <th>3.0</th>\n",
       "      <th>3.3</th>\n",
       "      <th>3.4</th>\n",
       "      <th>3.7</th>\n",
       "      <th>4.0</th>\n",
       "      <th>4.3</th>\n",
       "      <th>4.7</th>\n",
       "      <th>5.0</th>\n",
       "      <th>grade_weight</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>14</td>\n",
       "      <td>7</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>10</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>42</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>21</td>\n",
       "      <td>23</td>\n",
       "      <td>35</td>\n",
       "      <td>0</td>\n",
       "      <td>33</td>\n",
       "      <td>35</td>\n",
       "      <td>57</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>96</td>\n",
       "      <td>68</td>\n",
       "      <td>76</td>\n",
       "      <td>135</td>\n",
       "      <td>8</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>197</td>\n",
       "      <td>67</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>77</td>\n",
       "      <td>81</td>\n",
       "      <td>0</td>\n",
       "      <td>93</td>\n",
       "      <td>98</td>\n",
       "      <td>108</td>\n",
       "      <td>0</td>\n",
       "      <td>97</td>\n",
       "      <td>78</td>\n",
       "      <td>102</td>\n",
       "      <td>134</td>\n",
       "      <td>248</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>98</td>\n",
       "      <td>3</td>\n",
       "      <td>49</td>\n",
       "      <td>71</td>\n",
       "      <td>91</td>\n",
       "      <td>18</td>\n",
       "      <td>74</td>\n",
       "      <td>108</td>\n",
       "      <td>88</td>\n",
       "      <td>44</td>\n",
       "      <td>38</td>\n",
       "      <td>73</td>\n",
       "      <td>42</td>\n",
       "      <td>42</td>\n",
       "      <td>34</td>\n",
       "      <td>92</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>39</td>\n",
       "      <td>23</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>57</td>\n",
       "      <td>50</td>\n",
       "      <td>0</td>\n",
       "      <td>55</td>\n",
       "      <td>67</td>\n",
       "      <td>74</td>\n",
       "      <td>0</td>\n",
       "      <td>69</td>\n",
       "      <td>59</td>\n",
       "      <td>39</td>\n",
       "      <td>53</td>\n",
       "      <td>111</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>3</td>\n",
       "      <td>7</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>18</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>48</td>\n",
       "      <td>39</td>\n",
       "      <td>0</td>\n",
       "      <td>49</td>\n",
       "      <td>60</td>\n",
       "      <td>60</td>\n",
       "      <td>0</td>\n",
       "      <td>92</td>\n",
       "      <td>65</td>\n",
       "      <td>79</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>23</td>\n",
       "      <td>64</td>\n",
       "      <td>39</td>\n",
       "      <td>75</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>69</td>\n",
       "      <td>23</td>\n",
       "      <td>0</td>\n",
       "      <td>31</td>\n",
       "      <td>32</td>\n",
       "      <td>47</td>\n",
       "      <td>0</td>\n",
       "      <td>41</td>\n",
       "      <td>51</td>\n",
       "      <td>58</td>\n",
       "      <td>0</td>\n",
       "      <td>44</td>\n",
       "      <td>15</td>\n",
       "      <td>47</td>\n",
       "      <td>44</td>\n",
       "      <td>114</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>37</td>\n",
       "      <td>24</td>\n",
       "      <td>0</td>\n",
       "      <td>21</td>\n",
       "      <td>11</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>45</td>\n",
       "      <td>21</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>83</td>\n",
       "      <td>78</td>\n",
       "      <td>0</td>\n",
       "      <td>73</td>\n",
       "      <td>99</td>\n",
       "      <td>110</td>\n",
       "      <td>0</td>\n",
       "      <td>108</td>\n",
       "      <td>131</td>\n",
       "      <td>240</td>\n",
       "      <td>116</td>\n",
       "      <td>91</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>30</td>\n",
       "      <td>33</td>\n",
       "      <td>0</td>\n",
       "      <td>35</td>\n",
       "      <td>62</td>\n",
       "      <td>78</td>\n",
       "      <td>0</td>\n",
       "      <td>84</td>\n",
       "      <td>86</td>\n",
       "      <td>78</td>\n",
       "      <td>0</td>\n",
       "      <td>81</td>\n",
       "      <td>34</td>\n",
       "      <td>40</td>\n",
       "      <td>34</td>\n",
       "      <td>179</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>40</td>\n",
       "      <td>3</td>\n",
       "      <td>29</td>\n",
       "      <td>35</td>\n",
       "      <td>38</td>\n",
       "      <td>20</td>\n",
       "      <td>14</td>\n",
       "      <td>39</td>\n",
       "      <td>35</td>\n",
       "      <td>27</td>\n",
       "      <td>12</td>\n",
       "      <td>16</td>\n",
       "      <td>6</td>\n",
       "      <td>8</td>\n",
       "      <td>6</td>\n",
       "      <td>19</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>190</td>\n",
       "      <td>114</td>\n",
       "      <td>0</td>\n",
       "      <td>133</td>\n",
       "      <td>136</td>\n",
       "      <td>137</td>\n",
       "      <td>0</td>\n",
       "      <td>95</td>\n",
       "      <td>85</td>\n",
       "      <td>58</td>\n",
       "      <td>0</td>\n",
       "      <td>52</td>\n",
       "      <td>49</td>\n",
       "      <td>57</td>\n",
       "      <td>33</td>\n",
       "      <td>86</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>6</td>\n",
       "      <td>7</td>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "      <td>102</td>\n",
       "      <td>60</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>30</td>\n",
       "      <td>20</td>\n",
       "      <td>0</td>\n",
       "      <td>22</td>\n",
       "      <td>20</td>\n",
       "      <td>2</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>25</td>\n",
       "      <td>19</td>\n",
       "      <td>0</td>\n",
       "      <td>28</td>\n",
       "      <td>26</td>\n",
       "      <td>40</td>\n",
       "      <td>0</td>\n",
       "      <td>30</td>\n",
       "      <td>33</td>\n",
       "      <td>70</td>\n",
       "      <td>0</td>\n",
       "      <td>81</td>\n",
       "      <td>29</td>\n",
       "      <td>101</td>\n",
       "      <td>68</td>\n",
       "      <td>58</td>\n",
       "      <td>8</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>43</td>\n",
       "      <td>33</td>\n",
       "      <td>0</td>\n",
       "      <td>51</td>\n",
       "      <td>57</td>\n",
       "      <td>76</td>\n",
       "      <td>0</td>\n",
       "      <td>75</td>\n",
       "      <td>70</td>\n",
       "      <td>66</td>\n",
       "      <td>0</td>\n",
       "      <td>75</td>\n",
       "      <td>63</td>\n",
       "      <td>184</td>\n",
       "      <td>81</td>\n",
       "      <td>64</td>\n",
       "      <td>8</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>9</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>15</td>\n",
       "      <td>18</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>22</td>\n",
       "      <td>31</td>\n",
       "      <td>13</td>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "      <td>7</td>\n",
       "      <td>8</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>4</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>3</td>\n",
       "      <td>5</td>\n",
       "      <td>0</td>\n",
       "      <td>7</td>\n",
       "      <td>8</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>5</td>\n",
       "      <td>9</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>39</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>15</td>\n",
       "      <td>24</td>\n",
       "      <td>30</td>\n",
       "      <td>0</td>\n",
       "      <td>41</td>\n",
       "      <td>45</td>\n",
       "      <td>47</td>\n",
       "      <td>0</td>\n",
       "      <td>51</td>\n",
       "      <td>15</td>\n",
       "      <td>61</td>\n",
       "      <td>48</td>\n",
       "      <td>126</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>11</td>\n",
       "      <td>23</td>\n",
       "      <td>0</td>\n",
       "      <td>28</td>\n",
       "      <td>59</td>\n",
       "      <td>103</td>\n",
       "      <td>0</td>\n",
       "      <td>125</td>\n",
       "      <td>114</td>\n",
       "      <td>97</td>\n",
       "      <td>0</td>\n",
       "      <td>70</td>\n",
       "      <td>35</td>\n",
       "      <td>39</td>\n",
       "      <td>14</td>\n",
       "      <td>34</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>8</td>\n",
       "      <td>4</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>6</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>2</td>\n",
       "      <td>9</td>\n",
       "      <td>6</td>\n",
       "      <td>0</td>\n",
       "      <td>4</td>\n",
       "      <td>2</td>\n",
       "      <td>7</td>\n",
       "      <td>2</td>\n",
       "      <td>11</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>3</td>\n",
       "      <td>8</td>\n",
       "      <td>0</td>\n",
       "      <td>20</td>\n",
       "      <td>32</td>\n",
       "      <td>29</td>\n",
       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "      <td>54</td>\n",
       "      <td>65</td>\n",
       "      <td>0</td>\n",
       "      <td>65</td>\n",
       "      <td>78</td>\n",
       "      <td>162</td>\n",
       "      <td>89</td>\n",
       "      <td>68</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>20</td>\n",
       "      <td>29</td>\n",
       "      <td>0</td>\n",
       "      <td>44</td>\n",
       "      <td>66</td>\n",
       "      <td>70</td>\n",
       "      <td>0</td>\n",
       "      <td>77</td>\n",
       "      <td>86</td>\n",
       "      <td>69</td>\n",
       "      <td>0</td>\n",
       "      <td>83</td>\n",
       "      <td>65</td>\n",
       "      <td>61</td>\n",
       "      <td>39</td>\n",
       "      <td>107</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>12</td>\n",
       "      <td>0</td>\n",
       "      <td>6</td>\n",
       "      <td>17</td>\n",
       "      <td>27</td>\n",
       "      <td>5</td>\n",
       "      <td>30</td>\n",
       "      <td>49</td>\n",
       "      <td>65</td>\n",
       "      <td>11</td>\n",
       "      <td>114</td>\n",
       "      <td>128</td>\n",
       "      <td>59</td>\n",
       "      <td>303</td>\n",
       "      <td>206</td>\n",
       "      <td>88</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>9</td>\n",
       "      <td>14</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>9</td>\n",
       "      <td>14</td>\n",
       "      <td>12</td>\n",
       "      <td>0</td>\n",
       "      <td>10</td>\n",
       "      <td>13</td>\n",
       "      <td>18</td>\n",
       "      <td>19</td>\n",
       "      <td>29</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "    1.0  1.3  1.4  1.7  2.0  2.3  2.4  2.7  3.0  3.3  3.4  3.7  4.0  4.3  4.7  \\\n",
       "3    14    7    0    2    2    1    0    3    2    1    0    0    0    0    0   \n",
       "11   42   15    0   21   23   35    0   33   35   57    0   40   96   68   76   \n",
       "25  197   67    0   60   77   81    0   93   98  108    0   97   78  102  134   \n",
       "18   98    3   49   71   91   18   74  108   88   44   38   73   42   42   34   \n",
       "19   39   23    0   40   57   50    0   55   67   74    0   69   59   39   53   \n",
       "9     3    7    0    6    0    0    0    0    0    0    0    0    0    0    0   \n",
       "28   18    3    0    1    0    1    0    0    0    0    0    0    0    0    0   \n",
       "0     1    0    0    0    0    0    0    0    0    0    0    0    0    0    0   \n",
       "1     0    1    0    0    0    0    0    0    0    0    0    0    0    0    0   \n",
       "16   48   39    0   49   60   60    0   92   65   79    0   36   23   64   39   \n",
       "14   69   23    0   31   32   47    0   41   51   58    0   44   15   47   44   \n",
       "2    37   24    0   21   11   10    0    3    3    1    0    0    0    0    0   \n",
       "26   45   21    0   60   83   78    0   73   99  110    0  108  131  240  116   \n",
       "22   30   33    0   35   62   78    0   84   86   78    0   81   34   40   34   \n",
       "15   40    3   29   35   38   20   14   39   35   27   12   16    6    8    6   \n",
       "23  190  114    0  133  136  137    0   95   85   58    0   52   49   57   33   \n",
       "13    1    0    0    3    0    0    0    2    0    0    0    0    0    0    0   \n",
       "20    6    7    0   12  102   60    0   60   30   20    0   22   20    2    0   \n",
       "17   25   19    0   28   26   40    0   30   33   70    0   81   29  101   68   \n",
       "21   43   33    0   51   57   76    0   75   70   66    0   75   63  184   81   \n",
       "4     9   10    0   15   18   15    0   22   31   13    0   12    7    8    0   \n",
       "10    4    3    0    4    3    5    0    7    8    1    0    6    1    1    0   \n",
       "12   39   15    0   15   24   30    0   41   45   47    0   51   15   61   48   \n",
       "5    11   23    0   28   59  103    0  125  114   97    0   70   35   39   14   \n",
       "8     8    4    0    4    6    1    0    2    9    6    0    4    2    7    2   \n",
       "24    3    8    0   20   32   29    0   40   54   65    0   65   78  162   89   \n",
       "7    20   29    0   44   66   70    0   77   86   69    0   83   65   61   39   \n",
       "27   12    0    6   17   27    5   30   49   65   11  114  128   59  303  206   \n",
       "6     3    3    0    9   14   10    0    9   14   12    0   10   13   18   19   \n",
       "\n",
       "    5.0  grade_weight  \n",
       "3     4            10  \n",
       "11  135             8  \n",
       "25  248             6  \n",
       "18   92             6  \n",
       "19  111             5  \n",
       "9     0             3  \n",
       "28    0             3  \n",
       "0     0             3  \n",
       "1     0            12  \n",
       "16   75             6  \n",
       "14  114             6  \n",
       "2     0             3  \n",
       "26   91             3  \n",
       "22  179             6  \n",
       "15   19             6  \n",
       "23   86             6  \n",
       "13    0             5  \n",
       "20   40             4  \n",
       "17   58             8  \n",
       "21   64             8  \n",
       "4     1             5  \n",
       "10    5             9  \n",
       "12  126             6  \n",
       "5    34             6  \n",
       "8    11             6  \n",
       "24   68             4  \n",
       "7   107             5  \n",
       "27   88             4  \n",
       "6    29             6  "
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df[possible_grades + ['grade_weight']]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>1.0</th>\n",
       "      <th>1.3</th>\n",
       "      <th>1.4</th>\n",
       "      <th>1.7</th>\n",
       "      <th>2.0</th>\n",
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       "      <th>2.7</th>\n",
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       "      <th>3.4</th>\n",
       "      <th>3.7</th>\n",
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       "      <th>4.7</th>\n",
       "      <th>5.0</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>140</td>\n",
       "      <td>70</td>\n",
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       "      <td>20</td>\n",
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       "      <td>0</td>\n",
       "      <td>40</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>336</td>\n",
       "      <td>120</td>\n",
       "      <td>0</td>\n",
       "      <td>168</td>\n",
       "      <td>184</td>\n",
       "      <td>280</td>\n",
       "      <td>0</td>\n",
       "      <td>264</td>\n",
       "      <td>280</td>\n",
       "      <td>456</td>\n",
       "      <td>0</td>\n",
       "      <td>320</td>\n",
       "      <td>768</td>\n",
       "      <td>544</td>\n",
       "      <td>608</td>\n",
       "      <td>1080</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>1182</td>\n",
       "      <td>402</td>\n",
       "      <td>0</td>\n",
       "      <td>360</td>\n",
       "      <td>462</td>\n",
       "      <td>486</td>\n",
       "      <td>0</td>\n",
       "      <td>558</td>\n",
       "      <td>588</td>\n",
       "      <td>648</td>\n",
       "      <td>0</td>\n",
       "      <td>582</td>\n",
       "      <td>468</td>\n",
       "      <td>612</td>\n",
       "      <td>804</td>\n",
       "      <td>1488</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>588</td>\n",
       "      <td>18</td>\n",
       "      <td>294</td>\n",
       "      <td>426</td>\n",
       "      <td>546</td>\n",
       "      <td>108</td>\n",
       "      <td>444</td>\n",
       "      <td>648</td>\n",
       "      <td>528</td>\n",
       "      <td>264</td>\n",
       "      <td>228</td>\n",
       "      <td>438</td>\n",
       "      <td>252</td>\n",
       "      <td>252</td>\n",
       "      <td>204</td>\n",
       "      <td>552</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>195</td>\n",
       "      <td>115</td>\n",
       "      <td>0</td>\n",
       "      <td>200</td>\n",
       "      <td>285</td>\n",
       "      <td>250</td>\n",
       "      <td>0</td>\n",
       "      <td>275</td>\n",
       "      <td>335</td>\n",
       "      <td>370</td>\n",
       "      <td>0</td>\n",
       "      <td>345</td>\n",
       "      <td>295</td>\n",
       "      <td>195</td>\n",
       "      <td>265</td>\n",
       "      <td>555</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>9</td>\n",
       "      <td>21</td>\n",
       "      <td>0</td>\n",
       "      <td>18</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
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       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>54</td>\n",
       "      <td>9</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>288</td>\n",
       "      <td>234</td>\n",
       "      <td>0</td>\n",
       "      <td>294</td>\n",
       "      <td>360</td>\n",
       "      <td>360</td>\n",
       "      <td>0</td>\n",
       "      <td>552</td>\n",
       "      <td>390</td>\n",
       "      <td>474</td>\n",
       "      <td>0</td>\n",
       "      <td>216</td>\n",
       "      <td>138</td>\n",
       "      <td>384</td>\n",
       "      <td>234</td>\n",
       "      <td>450</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>414</td>\n",
       "      <td>138</td>\n",
       "      <td>0</td>\n",
       "      <td>186</td>\n",
       "      <td>192</td>\n",
       "      <td>282</td>\n",
       "      <td>0</td>\n",
       "      <td>246</td>\n",
       "      <td>306</td>\n",
       "      <td>348</td>\n",
       "      <td>0</td>\n",
       "      <td>264</td>\n",
       "      <td>90</td>\n",
       "      <td>282</td>\n",
       "      <td>264</td>\n",
       "      <td>684</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>111</td>\n",
       "      <td>72</td>\n",
       "      <td>0</td>\n",
       "      <td>63</td>\n",
       "      <td>33</td>\n",
       "      <td>30</td>\n",
       "      <td>0</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>135</td>\n",
       "      <td>63</td>\n",
       "      <td>0</td>\n",
       "      <td>180</td>\n",
       "      <td>249</td>\n",
       "      <td>234</td>\n",
       "      <td>0</td>\n",
       "      <td>219</td>\n",
       "      <td>297</td>\n",
       "      <td>330</td>\n",
       "      <td>0</td>\n",
       "      <td>324</td>\n",
       "      <td>393</td>\n",
       "      <td>720</td>\n",
       "      <td>348</td>\n",
       "      <td>273</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>180</td>\n",
       "      <td>198</td>\n",
       "      <td>0</td>\n",
       "      <td>210</td>\n",
       "      <td>372</td>\n",
       "      <td>468</td>\n",
       "      <td>0</td>\n",
       "      <td>504</td>\n",
       "      <td>516</td>\n",
       "      <td>468</td>\n",
       "      <td>0</td>\n",
       "      <td>486</td>\n",
       "      <td>204</td>\n",
       "      <td>240</td>\n",
       "      <td>204</td>\n",
       "      <td>1074</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>240</td>\n",
       "      <td>18</td>\n",
       "      <td>174</td>\n",
       "      <td>210</td>\n",
       "      <td>228</td>\n",
       "      <td>120</td>\n",
       "      <td>84</td>\n",
       "      <td>234</td>\n",
       "      <td>210</td>\n",
       "      <td>162</td>\n",
       "      <td>72</td>\n",
       "      <td>96</td>\n",
       "      <td>36</td>\n",
       "      <td>48</td>\n",
       "      <td>36</td>\n",
       "      <td>114</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>1140</td>\n",
       "      <td>684</td>\n",
       "      <td>0</td>\n",
       "      <td>798</td>\n",
       "      <td>816</td>\n",
       "      <td>822</td>\n",
       "      <td>0</td>\n",
       "      <td>570</td>\n",
       "      <td>510</td>\n",
       "      <td>348</td>\n",
       "      <td>0</td>\n",
       "      <td>312</td>\n",
       "      <td>294</td>\n",
       "      <td>342</td>\n",
       "      <td>198</td>\n",
       "      <td>516</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>5</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>15</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>10</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>24</td>\n",
       "      <td>28</td>\n",
       "      <td>0</td>\n",
       "      <td>48</td>\n",
       "      <td>408</td>\n",
       "      <td>240</td>\n",
       "      <td>0</td>\n",
       "      <td>240</td>\n",
       "      <td>120</td>\n",
       "      <td>80</td>\n",
       "      <td>0</td>\n",
       "      <td>88</td>\n",
       "      <td>80</td>\n",
       "      <td>8</td>\n",
       "      <td>0</td>\n",
       "      <td>160</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>200</td>\n",
       "      <td>152</td>\n",
       "      <td>0</td>\n",
       "      <td>224</td>\n",
       "      <td>208</td>\n",
       "      <td>320</td>\n",
       "      <td>0</td>\n",
       "      <td>240</td>\n",
       "      <td>264</td>\n",
       "      <td>560</td>\n",
       "      <td>0</td>\n",
       "      <td>648</td>\n",
       "      <td>232</td>\n",
       "      <td>808</td>\n",
       "      <td>544</td>\n",
       "      <td>464</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>344</td>\n",
       "      <td>264</td>\n",
       "      <td>0</td>\n",
       "      <td>408</td>\n",
       "      <td>456</td>\n",
       "      <td>608</td>\n",
       "      <td>0</td>\n",
       "      <td>600</td>\n",
       "      <td>560</td>\n",
       "      <td>528</td>\n",
       "      <td>0</td>\n",
       "      <td>600</td>\n",
       "      <td>504</td>\n",
       "      <td>1472</td>\n",
       "      <td>648</td>\n",
       "      <td>512</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>45</td>\n",
       "      <td>50</td>\n",
       "      <td>0</td>\n",
       "      <td>75</td>\n",
       "      <td>90</td>\n",
       "      <td>75</td>\n",
       "      <td>0</td>\n",
       "      <td>110</td>\n",
       "      <td>155</td>\n",
       "      <td>65</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>35</td>\n",
       "      <td>40</td>\n",
       "      <td>0</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>36</td>\n",
       "      <td>27</td>\n",
       "      <td>0</td>\n",
       "      <td>36</td>\n",
       "      <td>27</td>\n",
       "      <td>45</td>\n",
       "      <td>0</td>\n",
       "      <td>63</td>\n",
       "      <td>72</td>\n",
       "      <td>9</td>\n",
       "      <td>0</td>\n",
       "      <td>54</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>0</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>234</td>\n",
       "      <td>90</td>\n",
       "      <td>0</td>\n",
       "      <td>90</td>\n",
       "      <td>144</td>\n",
       "      <td>180</td>\n",
       "      <td>0</td>\n",
       "      <td>246</td>\n",
       "      <td>270</td>\n",
       "      <td>282</td>\n",
       "      <td>0</td>\n",
       "      <td>306</td>\n",
       "      <td>90</td>\n",
       "      <td>366</td>\n",
       "      <td>288</td>\n",
       "      <td>756</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>66</td>\n",
       "      <td>138</td>\n",
       "      <td>0</td>\n",
       "      <td>168</td>\n",
       "      <td>354</td>\n",
       "      <td>618</td>\n",
       "      <td>0</td>\n",
       "      <td>750</td>\n",
       "      <td>684</td>\n",
       "      <td>582</td>\n",
       "      <td>0</td>\n",
       "      <td>420</td>\n",
       "      <td>210</td>\n",
       "      <td>234</td>\n",
       "      <td>84</td>\n",
       "      <td>204</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>48</td>\n",
       "      <td>24</td>\n",
       "      <td>0</td>\n",
       "      <td>24</td>\n",
       "      <td>36</td>\n",
       "      <td>6</td>\n",
       "      <td>0</td>\n",
       "      <td>12</td>\n",
       "      <td>54</td>\n",
       "      <td>36</td>\n",
       "      <td>0</td>\n",
       "      <td>24</td>\n",
       "      <td>12</td>\n",
       "      <td>42</td>\n",
       "      <td>12</td>\n",
       "      <td>66</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>12</td>\n",
       "      <td>32</td>\n",
       "      <td>0</td>\n",
       "      <td>80</td>\n",
       "      <td>128</td>\n",
       "      <td>116</td>\n",
       "      <td>0</td>\n",
       "      <td>160</td>\n",
       "      <td>216</td>\n",
       "      <td>260</td>\n",
       "      <td>0</td>\n",
       "      <td>260</td>\n",
       "      <td>312</td>\n",
       "      <td>648</td>\n",
       "      <td>356</td>\n",
       "      <td>272</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>100</td>\n",
       "      <td>145</td>\n",
       "      <td>0</td>\n",
       "      <td>220</td>\n",
       "      <td>330</td>\n",
       "      <td>350</td>\n",
       "      <td>0</td>\n",
       "      <td>385</td>\n",
       "      <td>430</td>\n",
       "      <td>345</td>\n",
       "      <td>0</td>\n",
       "      <td>415</td>\n",
       "      <td>325</td>\n",
       "      <td>305</td>\n",
       "      <td>195</td>\n",
       "      <td>535</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>48</td>\n",
       "      <td>0</td>\n",
       "      <td>24</td>\n",
       "      <td>68</td>\n",
       "      <td>108</td>\n",
       "      <td>20</td>\n",
       "      <td>120</td>\n",
       "      <td>196</td>\n",
       "      <td>260</td>\n",
       "      <td>44</td>\n",
       "      <td>456</td>\n",
       "      <td>512</td>\n",
       "      <td>236</td>\n",
       "      <td>1212</td>\n",
       "      <td>824</td>\n",
       "      <td>352</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>18</td>\n",
       "      <td>18</td>\n",
       "      <td>0</td>\n",
       "      <td>54</td>\n",
       "      <td>84</td>\n",
       "      <td>60</td>\n",
       "      <td>0</td>\n",
       "      <td>54</td>\n",
       "      <td>84</td>\n",
       "      <td>72</td>\n",
       "      <td>0</td>\n",
       "      <td>60</td>\n",
       "      <td>78</td>\n",
       "      <td>108</td>\n",
       "      <td>114</td>\n",
       "      <td>174</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     1.0  1.3  1.4  1.7  2.0  2.3  2.4  2.7  3.0  3.3  3.4  3.7  4.0   4.3  \\\n",
       "3    140   70    0   20   20   10    0   30   20   10    0    0    0     0   \n",
       "11   336  120    0  168  184  280    0  264  280  456    0  320  768   544   \n",
       "25  1182  402    0  360  462  486    0  558  588  648    0  582  468   612   \n",
       "18   588   18  294  426  546  108  444  648  528  264  228  438  252   252   \n",
       "19   195  115    0  200  285  250    0  275  335  370    0  345  295   195   \n",
       "9      9   21    0   18    0    0    0    0    0    0    0    0    0     0   \n",
       "28    54    9    0    3    0    3    0    0    0    0    0    0    0     0   \n",
       "0      3    0    0    0    0    0    0    0    0    0    0    0    0     0   \n",
       "1      0   12    0    0    0    0    0    0    0    0    0    0    0     0   \n",
       "16   288  234    0  294  360  360    0  552  390  474    0  216  138   384   \n",
       "14   414  138    0  186  192  282    0  246  306  348    0  264   90   282   \n",
       "2    111   72    0   63   33   30    0    9    9    3    0    0    0     0   \n",
       "26   135   63    0  180  249  234    0  219  297  330    0  324  393   720   \n",
       "22   180  198    0  210  372  468    0  504  516  468    0  486  204   240   \n",
       "15   240   18  174  210  228  120   84  234  210  162   72   96   36    48   \n",
       "23  1140  684    0  798  816  822    0  570  510  348    0  312  294   342   \n",
       "13     5    0    0   15    0    0    0   10    0    0    0    0    0     0   \n",
       "20    24   28    0   48  408  240    0  240  120   80    0   88   80     8   \n",
       "17   200  152    0  224  208  320    0  240  264  560    0  648  232   808   \n",
       "21   344  264    0  408  456  608    0  600  560  528    0  600  504  1472   \n",
       "4     45   50    0   75   90   75    0  110  155   65    0   60   35    40   \n",
       "10    36   27    0   36   27   45    0   63   72    9    0   54    9     9   \n",
       "12   234   90    0   90  144  180    0  246  270  282    0  306   90   366   \n",
       "5     66  138    0  168  354  618    0  750  684  582    0  420  210   234   \n",
       "8     48   24    0   24   36    6    0   12   54   36    0   24   12    42   \n",
       "24    12   32    0   80  128  116    0  160  216  260    0  260  312   648   \n",
       "7    100  145    0  220  330  350    0  385  430  345    0  415  325   305   \n",
       "27    48    0   24   68  108   20  120  196  260   44  456  512  236  1212   \n",
       "6     18   18    0   54   84   60    0   54   84   72    0   60   78   108   \n",
       "\n",
       "    4.7   5.0  \n",
       "3     0    40  \n",
       "11  608  1080  \n",
       "25  804  1488  \n",
       "18  204   552  \n",
       "19  265   555  \n",
       "9     0     0  \n",
       "28    0     0  \n",
       "0     0     0  \n",
       "1     0     0  \n",
       "16  234   450  \n",
       "14  264   684  \n",
       "2     0     0  \n",
       "26  348   273  \n",
       "22  204  1074  \n",
       "15   36   114  \n",
       "23  198   516  \n",
       "13    0     0  \n",
       "20    0   160  \n",
       "17  544   464  \n",
       "21  648   512  \n",
       "4     0     5  \n",
       "10    0    45  \n",
       "12  288   756  \n",
       "5    84   204  \n",
       "8    12    66  \n",
       "24  356   272  \n",
       "7   195   535  \n",
       "27  824   352  \n",
       "6   114   174  "
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# multiply the number of students that got each grade, with the weight of that exam.\n",
    "weighted_nums = (df[possible_grades].transpose() * df['grade_weight']).transpose()\n",
    "weighted_nums"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1.0     6195\n",
       "1.3     3142\n",
       "1.4      492\n",
       "1.7     4646\n",
       "2.0     6120\n",
       "2.3     6091\n",
       "2.4      648\n",
       "2.7     7175\n",
       "3.0     7158\n",
       "3.3     6744\n",
       "3.4      756\n",
       "3.7     6830\n",
       "4.0     5061\n",
       "4.3     8871\n",
       "4.7     6230\n",
       "5.0    10371\n",
       "dtype: int64"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sums = weighted_nums.sum()\n",
    "sums"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "86530"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "denominator = sums.sum()\n",
    "denominator"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.20281405292962"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mean = (sums * int_grades).sum() / (denominator * 10)\n",
    "mean"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([4.85238975, 3.62070132, 3.25013851, 2.25845008, 1.44676165,\n",
       "       0.81507321, 0.6445104 , 0.25282197, 0.04113354, 0.00944511,\n",
       "       0.0388823 , 0.24719387, 0.63550543, 1.203817  , 2.24156576,\n",
       "       3.22987733])"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "grades_array = np.array(int_grades)/10\n",
    "squared_diffs = np.square(grades_array - mean)\n",
    "squared_diffs"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1.0    30060.554512\n",
       "1.3    11376.243548\n",
       "1.4     1599.068147\n",
       "1.7    10492.759061\n",
       "2.0     8854.181273\n",
       "2.3     4964.610947\n",
       "2.4      417.642742\n",
       "2.7     1813.997648\n",
       "3.0      294.433880\n",
       "3.3       63.697810\n",
       "3.4       29.395017\n",
       "3.7     1688.334105\n",
       "4.0     3216.293003\n",
       "4.3    10679.060629\n",
       "4.7    13964.954685\n",
       "5.0    33497.057772\n",
       "dtype: float64"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# element wise multiplication, to weight each diff with its grade weight, and count it for every student with that grade\n",
    "weighted_squared_diffs = np.multiply(sums, squared_diffs)\n",
    "weighted_squared_diffs"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1.2398310967553547"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from math import sqrt\n",
    "sd = sqrt(weighted_squared_diffs.sum() / denominator)\n",
    "sd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-1.0853665465468578"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "total_z = (avg_grade - mean) / sd\n",
    "total_z"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "This \"total Z-Score\" is calculated to take into account the number of students in each course, unlike when just taking an average (weighted for credits but not for students) of the Z-Scores of all courses. This result is less affected by courses with a small amount of participants. This might make sense if you are trying to compare me to the total population of computer science students. A course with a small number of participants could be like a study with a small number of participants. It is less likely to provide a selection representative of the entire population. In the \"Mean Z-Score\" we only weight courses by their ECTS, here we also take the number of participants into account."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-1.2420861804844698"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Calculate total Z again with noshows:\n",
    "weighted_nums_noshows = (df[grades_with_noshows].transpose() * df['grade_weight']).transpose()\n",
    "sums_noshows = weighted_nums_noshows.sum()\n",
    "denominator_noshows = sums_noshows.sum()\n",
    "mean_noshows = (sums_noshows * int_grades).sum() / (denominator_noshows * 10)\n",
    "grades_array = np.array(int_grades)/10\n",
    "squared_diffs_noshows = np.square(grades_array - mean_noshows)\n",
    "weighted_squared_diffs_noshows = np.multiply(sums_noshows, squared_diffs_noshows)\n",
    "sd_noshows = sqrt(weighted_squared_diffs_noshows.sum() / denominator_noshows)\n",
    "total_z_with_noshows = (avg_grade - mean_noshows) / sd_noshows\n",
    "total_z_with_noshows"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open('docs/js/agg_data.json', 'w') as agg_f:\n",
    "    json.dump({\n",
    "        'mean_z_score': total_z,\n",
    "        'mean_z_score_with_noshows': total_z_with_noshows,\n",
    "        'avg_grade': avg_grade,\n",
    "        'avg_percentile': avg_percentile,\n",
    "        'avg_percentile_with_noshows': avg_percentile_with_noshows,\n",
    "        'total_ects': int(total_ects),\n",
    "    }, agg_f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>semester_code</th>\n",
       "      <th>Number of Courses</th>\n",
       "      <th>Total ECTS</th>\n",
       "      <th>My Mean Grade</th>\n",
       "      <th>My Mean Z-Score</th>\n",
       "      <th>My Mean Percentile</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>18W</td>\n",
       "      <td>5</td>\n",
       "      <td>31</td>\n",
       "      <td>2.045000</td>\n",
       "      <td>-1.151321</td>\n",
       "      <td>10.451378</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>19S</td>\n",
       "      <td>4</td>\n",
       "      <td>28</td>\n",
       "      <td>1.850000</td>\n",
       "      <td>-0.997573</td>\n",
       "      <td>15.431123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>19W</td>\n",
       "      <td>5</td>\n",
       "      <td>31</td>\n",
       "      <td>1.451613</td>\n",
       "      <td>-1.448749</td>\n",
       "      <td>6.233766</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>20S</td>\n",
       "      <td>6</td>\n",
       "      <td>37</td>\n",
       "      <td>1.832432</td>\n",
       "      <td>-1.486196</td>\n",
       "      <td>10.250077</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>20W</td>\n",
       "      <td>2</td>\n",
       "      <td>11</td>\n",
       "      <td>2.836364</td>\n",
       "      <td>-0.241428</td>\n",
       "      <td>37.265416</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>21S</td>\n",
       "      <td>4</td>\n",
       "      <td>27</td>\n",
       "      <td>2.229630</td>\n",
       "      <td>-0.288951</td>\n",
       "      <td>30.323065</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>21W</td>\n",
       "      <td>1</td>\n",
       "      <td>3</td>\n",
       "      <td>1.300000</td>\n",
       "      <td>-0.427905</td>\n",
       "      <td>33.636364</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>22S</td>\n",
       "      <td>2</td>\n",
       "      <td>15</td>\n",
       "      <td>1.240000</td>\n",
       "      <td>0.000000</td>\n",
       "      <td>0.000000</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  semester_code  Number of Courses  Total ECTS  My Mean Grade  \\\n",
       "0           18W                  5          31       2.045000   \n",
       "1           19S                  4          28       1.850000   \n",
       "2           19W                  5          31       1.451613   \n",
       "3           20S                  6          37       1.832432   \n",
       "4           20W                  2          11       2.836364   \n",
       "5           21S                  4          27       2.229630   \n",
       "6           21W                  1           3       1.300000   \n",
       "7           22S                  2          15       1.240000   \n",
       "\n",
       "   My Mean Z-Score  My Mean Percentile  \n",
       "0        -1.151321           10.451378  \n",
       "1        -0.997573           15.431123  \n",
       "2        -1.448749            6.233766  \n",
       "3        -1.486196           10.250077  \n",
       "4        -0.241428           37.265416  \n",
       "5        -0.288951           30.323065  \n",
       "6        -0.427905           33.636364  \n",
       "7         0.000000            0.000000  "
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def aggregate_semester(group_frame):\n",
    "    d = {}\n",
    "    d['Number of Courses'] = len(group_frame.index)\n",
    "    d['Total ECTS'] = group_frame['ects'].sum()\n",
    "    d['My Mean Grade'] = np.average(group_frame.numeric_grade, weights=group_frame.grade_weight)\n",
    "    d['My Mean Z-Score'] = np.average(group_frame.z, weights=np.multiply(group_frame.grade_weight, group_frame.did_show_up))\n",
    "    d['My Mean Percentile'] = np.average(group_frame.percentile, weights=np.multiply(group_frame.grade_weight, group_frame.did_show_up))\n",
    "    # Using dtype object to prevent int to float conversion. \n",
    "    # It's not that bad because no calculation will be mad on the series in that state,\n",
    "    # And once back in the dataframe, each column gets a specific type\n",
    "    return pd.Series(d, dtype=object)\n",
    "\n",
    "\n",
    "semester_data = df.groupby(['semester_start_date', 'semester_code'] # include code for display, date for sort\n",
    "                          ).apply(aggregate_semester\n",
    "                                 ).sort_values('semester_start_date' # probably already sorted, but to be safe.\n",
    "                                              ).reset_index().drop('semester_start_date', axis=1\n",
    "                                                                  ).fillna(0)\n",
    "semester_data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "semester_code          object\n",
       "Number of Courses       int64\n",
       "Total ECTS              int64\n",
       "My Mean Grade         float64\n",
       "My Mean Z-Score       float64\n",
       "My Mean Percentile    float64\n",
       "dtype: object"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Check that the types make sense:\n",
    "semester_data.dtypes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open('docs/js/semester_data.json', 'w') as semester_f:\n",
    "    json.dump(semester_data.to_dict('list'), semester_f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1.0    0.261905\n",
       "1.3    0.160714\n",
       "1.7    0.154762\n",
       "2.0    0.148810\n",
       "2.3    0.000000\n",
       "2.7    0.160714\n",
       "3.0    0.053571\n",
       "3.3    0.000000\n",
       "3.7    0.023810\n",
       "4.0    0.035714\n",
       "4.3    0.000000\n",
       "4.7    0.000000\n",
       "5.0    0.000000\n",
       "Name: grade_weight_x, dtype: float64"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "my_grade_distribution = df[['grade', 'grade_weight']].groupby('grade').sum()\n",
    "my_grade_distribution['grade_weight'] = my_grade_distribution['grade_weight'] / my_grade_distribution['grade_weight'].sum()\n",
    "empty_frame = pd.DataFrame(0, index=standard_possible_grades, columns=['grade_weight'], dtype=my_grade_distribution.dtypes[0])\n",
    "complete_distribution = pd.merge(my_grade_distribution, empty_frame, left_index=True, right_index=True, how='outer', sort=True).fillna(0)['grade_weight_x']\n",
    "complete_distribution"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open('docs/js/personal_distribution.json', 'w') as dist_f:\n",
    "    json.dump(list(complete_distribution), dist_f)"
   ]
  }
 ],
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