- 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.
- From the data set in step 4, creates a second, independent tidy data set with the average of each variable for each activity and each subject.
To run the script
- Open R
- Make sure your working directoy is set to the directory containing the folders for the train and test data
- Type
source("run_analysis.R")
- The data set "tidyActivityData.txt" should appear in your working directory