Course Project - Getting and Clieanning Data
This project use the script "run_analysis.R" to make a summarization of Human Activity Recognition data collected using the sensors in the Samsung Galaxy S II.
The script makes these steps:
- Download all the files
- Unzip the files
- Get the list of the files
- Read Y (activity) files
- Read subject files
- Read x (features) files
- Merge the train and test, creating one data set
- Name the variables with the features.txt file
- Merge colums to get one dataframe
- Get just mean and standart variation names
- Change activity numbers to labels
- Replacing variables names to make more understandable
- Creates a file with the average of each variable for each activity and each subject