https://github.com/node/getdata-017
Getting and Cleaning Data Course Project
https://github.com/node/getdata-017
Last synced: 9 months ago
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Getting and Cleaning Data Course Project
- Host: GitHub
- URL: https://github.com/node/getdata-017
- Owner: node
- Created: 2015-01-05T10:40:58.000Z (almost 11 years ago)
- Default Branch: master
- Last Pushed: 2015-01-27T03:31:47.000Z (almost 11 years ago)
- Last Synced: 2025-01-27T11:14:58.781Z (11 months ago)
- Language: R
- Size: 180 KB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
getdata-017
===========
Getting and Cleaning Data Course : week 3 Project
https://class.coursera.org/getdata-017
run_analysis.R is the R script to analysis data .
The analysis flow is :
1. load library
2. load data
3. Merges the training and the test sets to create one data set.
4. Extracts only the measurements on the mean and standard deviation for each measurement.
5. Uses descriptive activity names to name the activities in the data set
6. Appropriately labels the data set with descriptive variable names.
7. 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.
8. output and view result
codebook.txt is the code book to show variables used in R .