The Analysis file "run_analysis.R" contains the step wise analysis for the final project of "Getting and Cleaning Data". Steps followed are :- 1 - Merges the training and the test sets to create one data set. 2 - Extracts only the measurements on the mean and standard deviation for each measurement. 3 - Uses descriptive activity names to name the activities in the data set 4 - Appropriately labels the data set with descriptive variable names. 5 - From the data set in step 4, creates a second, independent tidy data set with the average of each variable for each activity and each subject.