Getting and Cleaning Data - Assignment

This is the solution to the Peer-graded Assignment: Getting and Cleaning Data Course Project. the solution consists of the following scripts:

run_analysis.R

This R script does the following:

• Downloads and unzips the dataset
• Loads activities and features
• Extracts only the measurements on the mean and standard deviation
• Loads the training and the test sets keeping only the mean and standard deviation for each measurement
• Merges the training and the test sets to create one data set
• Appropriately labels the data set with descriptive variable names.
• Uses descriptive activity names to name the activities in the data set
• creates a second, independent tidy data set with the average of each variable for each activity and each subject
• writes the tidy data set to disc

tidy.txt

The end result of the analysis.

CodeBook.md

A code book that describes the variables, the data, and any transformations performed to clean up the data.