This is one R script called run_analysis.R that does the following.
- 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.
- Download or clone this project locally.
- Change to the git project in RStudio
- Run
source("run_analisys.r")in RStudio.- this will download the required zip file of raw data is not already done
- unzip the raw data locally id not already done.
- produce a tidied data set from the raw data of a mean of all the mean feature for each activity and subject
The code book that describes the variables, the data, and any transformations or work that is performed to clean up the data.