Following scripts are included:

• run_analysis.R
  • This script works in 5 steps as required in the task.
    • Combining the both training and test datasets and creating one data.

    •   Extracting only columns with means and standard deviation. 
      

    •   Uses descriptive activity names to name the activities in the data set
      

    •   Appropriately labels the data set with descriptive activity names. 
      

    •   Creates a second, independent tidy data set with the average of each variable for each activity and each subject. 
      

Following files included:

• run_analysis.R
• codebook.md
• README.md
• tidy_data.txt (required output file)

Usage of the script

• pre-requisits of running the script
  • The data should be stored in your working directory ./UCI HAR Dataset/ directory
• source(run_analysis.R)