An analysis of accelerometer data recordings of 30 subjects performing activities of daily living (ADL) while carrying a waist-mounted Samsung Galaxy S smartphone.
- full description: http://archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones
- raw data zip file
Describes the variables, the data, and actions performed to clean up and transform the data.
- loads raw data
- cleans and transforms data into 2 tidy sets:
- mean and standard deviation measurements for each subject and activity
- average of each variable for each activity and each subject