Summary of the UCI HAR Dataset

The dataset uci_har_summary.txt created by the script run_analysis.R is the summary of the original UCI HAR Dataset. This summary contains the averages of the means and standard deviations for each measurement grouped by the subjects and the activity types.

Files

• run_analysis.R: The script to run for perform the analysis
• codebook.md: Codebook for the summary file. Describes the variables and the transformation methods
• uci_har_summary.txt: After running the analysis this file contains the analysis results

Creating the summary

Run the run_analysis.R script. It downloads and unzips the UCI HAR dataset if it's not already prepared, installs the dplyr R package if needed, performs the analysis and writes the results to the uci_har_summary.txt text file.