From 7b7cdc5be5834b2dd181f0966c553e7d2e2de6ec Mon Sep 17 00:00:00 2001
From: Caiwen Li <130128348+LisaLi525@users.noreply.github.com>
Date: Wed, 13 Dec 2023 23:12:32 +0200
Subject: [PATCH] Create Main Function

---
 Main Function | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Main Function

diff --git a/Main Function b/Main Function
new file mode 100644
index 0000000..90374ce
--- /dev/null
+++ b/Main Function	
@@ -0,0 +1,43 @@
+main <- function() {
+  # Environment Setup
+  setup_environment()
+  
+  # Database Connection Parameters
+  host <- "<host>"
+  port <- "<port>"
+  user <- "<user>"
+  password <- "<password>"
+  dbname <- "<dbname>"
+
+  # Establish Database Connection
+  db_connection <- connect_to_database(host, port, user, password, dbname)
+  
+  # Load and Rename Tables
+  tables <- load_and_rename_tables(db_connection)
+  
+  # Define Analysis Parameters
+  start_date_2016_2017 <- '2016-01-01'
+  end_date_2016_2017 <- '2017-12-30'
+  start_date_2017 <- '2017-01-01'
+  end_date_2017 <- '2017-12-30'
+  special_dates <- list("2017-12-25", "2017-11-26") # Example: Christmas and Black Friday
+  
+  # Perform Analyses
+  open_stores <- analyze_open_stores(tables$transaction_summary, tables$fiscal_calendar, start_date_2016_2017, end_date_2016_2017)
+  customer_segments <- analyze_customer_segments(tables$transaction_summary, open_stores, start_date_2017, end_date_2017)
+  seasonality_analysis <- analyze_seasonality(tables$total_transaction_data, customer_segments, special_dates)
+  department_analysis <- analyze_departments(tables$transaction_summary, tables$items_master, tables$merch_hierarchy)
+  market_basket_analysis <- perform_market_basket_analysis(tables$transaction_data)
+  
+  # Output the results or further processing
+  # ...
+
+  # Example: Saving an analysis result to a CSV file
+  # write.csv(open_stores, "open_stores_analysis.csv")
+
+  # Close database connection
+  dbDisconnect(db_connection)
+}
+
+# Execute the main function
+main()