+ README.md Overview of files and their contents (this file)
+ CodeBook.md Describes the original data received and the process
followed to prepare the required tidy dataset
+ run_analysis.R R script for data preparation and analysis
The script run_analysis.R comprised the following steps:
+ read data files from working directory
+ identify measurement features specified for this analysis (mean and std)
+ merge subjects, activities and training and test data
+ replace numeric codes with descriptive names
+ calculate average for each variable for each activity and subject
+ output a tidy data set
+ dataselect_means_tidy.txt Output tidy data set in comma-separated text format
File name *.txt as required for upload to Coursera