run_analysis.R will carry on following tasks,
- Read Training and Test data set generated from Samsung smart phone accerometer
- Takes out only mean and standard deviation
- Outputs a data set with above operation
Program flow
- Read train and test data
- Read features
- Cuts out only mean standard deviation
- Reads activity labels
- Assign values to labels
- Prepare list of col names
- Assign appropriate column names to main data set
- Aggregate data based on subject and label
- Write data to file