getting_and_cleaning_data_project
Johns Hopkins Data Science Coursera class: Getting and Cleaning Data.
How to Use
Data source: "Human Activity Recognition Using Smart Phones" Location: http://archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones
- Download and unzip the data file
- Make sure that the R working directory is set to the folder containing the unzipped data file
- Run "run_analysis.R"
Output:
- tidy_data.txt
- tidy_aggregate_data_avg.txt
tidy_data.txt: merges the test and training data sets tidy_aggregate_data_avg.txt: the average values aggregated by test subject and activity