Dataset
Human Activity Recognition Using Smartphones

Files
CodeBook.md a code book that describes the variables。

run_analysis.R performs the tidying process of data :
Merges the training and the test sets into one data set.
Extracts only the measurements on the mean and standard deviation for each measurement.
Uses descriptive activity names to name the activities in the data set
Appropriately labels the data set with descriptive variable names.
Final_Data.txt is the exported final data after going through all the sequences described above.