title: "README.md"
Output : a dataframe of averages in grouped_df form with name "averages"
Information about the R scripts used for the data cleaning project
This is the main script that is called to performed the cleaning and tidying of the dataset as described in the excercise and listed below.
- 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.