Getting-and-Cleaning-Data

Project Summary

The R script run_analysis.R:

• Merges the training and the test sets to create one data set
• Extracts only the measurements on the mean and standard deviation for each measurement
• Uses descriptive activity names to name the activities in the data set
• Appropriately labels the data set with descriptive variable names
• Creates a second, independent tidy data set with the average of each variable for each activity and each subject

Running

To run the script:

• Download dataset form here
• Extract in your project directory
• Start R
• Set your project directory setwd('PATH_OF_YOUR_PROJECT_DIRECTORY')
• Run script source('run_analysis.R')

Resulting dataset

You can find the resulting dataset in your project directory named: tidy_dataset.txt