Repo contains R script and codebook for Course Project of Getting and Cleaning Data course (class.coursera.org/getdata-013/)

Script makes following:

Step 0. Load data

Step 1. Merge test and training sets. Fix names in total set

Step 2. Extract only mean and SD for each measurement Add activities and subjects data

Step 3. Uses descriptive activity names to name the activities in the data set

Step 4. Appropriately labels the data set with descriptive variable names.

Step 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.