developingdenny / getandcleandata

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Get and Clean Data

Provides a script to produce tidy data set from data captured during a Human Activity Recognition project.

The Human Activity Recognition project collected accelerometer data from a Samsung Galaxy S smartphone. Full information regarding the project can be found at:

Human Activity Recognition Project

Source data

Available at: Source Data Files

Contents

  • run_analysis.R a script that converts the source data files into a tidy data set providing just average and standard deviation measurement values along with Activity labels for improved legibility.
  • code_book.txt a description of the data contained in the tidy data set produced through execution of run_analysis.R

Usage

All source data input files must be contained within the same directory as script's working directory at the time of its execution.

  • obtain source data
  • unzip source data
  • move all zip data files to working directory
  • execute script

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Language:R 100.0%