fileUrl - Defines URL for the website to get the dataset.
subject_train - Stores subjects for training dataset.
Y_train - Stores activities for training dataset.
X_train - Stores obersrvations for training dataset.
subject_test - Stores subjects for testing dataset.
Y_test - Stores activities for testing dataset.
X_test - Stores obersrvations for testing dataset.
features - List of all features.
activity_labels - List of activity descriptions
dfX - Merged dataset for all observations in training and testing datasets.
dfY - Merged dataset for all activities in training and testing datasets.
dfSubject - Merged dataset for all subjects in training and testing datasets.
features1 - subset of features which contain text strings "mean" and "standard" in the variable names.
features2 - Clean and descriptive variable names from features1 dataset.
dataSet - Master dataset
dataSetGrouped - Dataset grouped by subjects followed by activities.
tidyDataSet - Tidy Dataset, it stores mean of grouped observations.
tidyData.txt - stores Tidy dataset into a file.