Submission of the Project:

• A tidy data set called TidyData.txt
• A link to a Github repo with the script called run_analysis.R
• A codebook that describes the variables, the data, and any transformations or work that you performed to clean up the data called CodeBook.md
• A README.md

Goal of the file run_analysis.R :

• Merges the training and test sets
• Extracts the measurements on the mean and std
• Uses descriptive activity names to name the activities in the data set
• Labels the data set with descriptive variable names
• Creates a tidy data set with the average of each variable for each activity and each subject.