CodeBook.md

Code book for the final tidy dataset

Downloaded the row dataset zip file and unziped it as the name UCI HAR Dataset in the current working directory.

Variable Description :

1. The loaded text is stored in following variables :

   • train_x data.frame of train/X_train.txt
   • train_y data.frame of train/y_train.txt
   • test_x data.frame of test/X_test.txt
   • test_y data.frame of test/y_test.txt
   • featureName from features.txt
   • activityName from activity_labels.txt
   • subjectTrain from subject_train.txt
   • subjectTest from subject_test.txt

2. The merged dataset variables are :

   • x_merged merged from train_x and test_x using rbind() function
   • y_merged merged from train_y and test_y using rbind() function
   • subject_merged merged from subjectTrain and subjectTest using rbind() function
   • MergeAll merged from x_merged, y_merged and subject_merged using cbind() function

3. Column names in the final Tidy dataset :

   • code contains the correct names for the tidyData dataset, which are applied to the column names stored in in accordance with the activityNames.
   • FinalTidyData1.txt file contains the final tidyData summarized dataset.