code_book.txt

This codebook extends the codebooks provided with the dataset.

Data source: https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip Data description: http://archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones 

The summary data printout from this function:
* activity - the description of the activity as listed in activity_labels.txt
* subject - the subject id
* activityid - the activity id
* All the mean() and std() from the data provided.  Refer to features_info.txt for additional information.