Getting_and_Cleaning_Data_Course_Project

R script and code files 'for Getting_and_Cleaning_Data_Course_Project'

Run_analysis.R does the following.

1. Downloads data from 'https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip' and unzip it in user directory.

2. Merges the training and the test sets to create one data set.

3. Extracts only the measurements on the mean and standard deviation for each measurement.

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

5. Appropriately labels the data set with descriptive variable names.

6. Creates a second, independent tidy data set with the average of each variable for each activity and each subject.

7. Tidy dataset is stored in user directory as a text file.

library(plyr) is called inside script.