Function Description
Below is the list of functions I wrote for the project
run_analysis()
read_data(path, file.name)
fields_to_keep(fields)
human_readable_activity(y, activities)
produce_tidy_data(x, subject, activities, features)run_analysis is the main function.
read_data takes care of reading the data from the file specified by file.name and located in path.
field_to_keep gives the features names that contain mean() or std(). This function helps us solve 2.
human_readable_activity converts activity number to human readable form. For instance,the function converts 1 to WALKING.
produce_tidy_data produces the tidy data specified by 6.