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Getting-and-Cleaning-Data-Course-Project

Source dataset https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip.

  • One R script called run_analysis.R created for:
  • 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 activity names.
  • Creates a second, independent tidy data set with the average of each variable for each activity and each subject.

Notes

  • Only variables containing mean() & std() are used.
  • Requires the plyr & reshape2 packages.
  • See Codebook.md for details on result and the variables
  • See Run_analysis.R for all coding logic

Tested on

platform x86_64-w64-mingw32
arch x86_64
os mingw32
system x86_64, mingw32
status
major 3
minor 3.1
year 2016
month 06
day 21
svn rev 70800
language R
version.string R version 3.3.1 (2016-06-21) nickname Bug in Your Hair

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