Getting Data Week4 Assignment

This repo is for submitting code and document for week 4 assignment of coursera course "Getting and Cleaning Data". The course home page is: https://www.coursera.org/learn/data-cleaning/

Context

• README.md is this file
• run_analysis.R is the source code
• CodeBook.md explains how the code works

Briefly Howto

run endtoend(dowdload = TRUE) will generate the data from scratch, out to "result.txt"