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Getting and Cleaning Data Course Project

This repository contains the R script, run_analysis.R required for the final project for Getting and Cleaning Data course.

Purpose of the project

The purpose of this project is to demonstrate the ability to collect, work with, and clean a data set. The goal is to prepare tidy data that can be used for later analysis.

Following tasks are performed in the run_analysis.R file

  • The dataset is downloaded if it is not present in the working directory
  • The training and test datasets are merged into one data set, keeping only the measurements on mean and standard deviation
  • Activity info is loaded to give appropriate labels to the activities in data set
  • Finally, a tidy data set is created with the average of each variable for each activity and each subject
  • The tidy data set obtained is written to a file named "TidyDataset.txt"

Another file, CodeBook.md describes the various variables and transformations performed to obtain cleaned data in TidyDataset.txt

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