This contains a file run_analysis.R
that
- downloads the source data
- loads source data
- assembles test and training data
- augments the data with activity names
- augments the data with subject ids
- prettifies the variable names
- slices the desired Mean/Standard deviation variables form the full data set
- performs a group-wise mean over the (subject,activity) combinations
- wirtes out the result of the aggregation into a file called
tidyGroupMeans.txt