CourseraGettingAndCleaningDataProject
Coursera Data Science module 3 GettingAndCleaningData Project
The Project is as per https://class.coursera.org/getdata-008/human_grading/view/courses/972586/assessments/3/submissions
Data can be downloaded from https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip
After unzip dataset zip file into working folder, You may check out the R script called run_analysis.R. It does the following.
step1 Merges the training and the test sets to create one data set.
step2 Extracts only the measurements on the mean and standard deviation for each measurement.
step3 Uses descriptive activity names to name the activities in the data set
step4 Appropriately labels the data set with descriptive variable names.
step5 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.
Further details can be found at CodeBook.md.