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This script performs the data cleaning required in project for the Coursera course: Getting and Cleaning Data.
Dependencies: reshape2

To use the script:

   - Download the data from the course website and unzip creating a folder "UCI HAR Dataset"
   - Put run_analysis.R in the parent folder of UCI HAR Dataset
   - Set your working directory to "UCI HAR Dataset" using setwd()
   - Run source("run_analysis.R")