#Short intro This project merges and tidies data collected by the project

http://archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones

##Included files

• run_analysis.R - main function to merge and clean data set
• label_decoders.R - utility function for converting Activity values to ActivityNames

Usage

1. Download and unzip into same directory with these scripts https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip
2. Execute run_analysis.R script from R console by source("./run_analysis.R")

Output data structres

1. mergedDataTB - merged data set is returned
2. meansStdsTB - data set with only "mean" and "std" columns returned
3. tidyTB - tidy data frame is returned

Output data file

• tidydata.txt - output file including tidyTB data structure with tab delimited fields

Data

Data variables are documented in the CodeBook.md