Cleaning-Data Project to clean data Files included A- run_analysis.R that do the following : Read and convert data located in 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 Replacing numeric labels of activity in column 2 of the data frame (from 1 to 6) by descriptive strings which come from the file activity_labels.txt. 4. Appropriately labels the data set with descriptive activity names. 5. Creates a second, independent tidy data set with the average of each variable for each activity and each subject.

B- Data , obtained from

https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip

C- CodeBook.md describes the variables, the data, and any transformations