Submission for Coursera "Getting and cleaning data" course project.
This script merges the feature vectors from both training and test part of UCI human activity recognition data set, extracts mean and standard deviation of each measured parameter for each sample and summarizes these by calculating mean for those for each subject and activity.
Execute the run_analysis.r script with working directory set to top directory of the data set. Results will be stored in file summary.txt and also in R variable summary.