app_descriptive         Descriptive Statistics
app_inference           Inferential Statistics
app_linear_regression   Linear Regression
app_logistic_regression
                        Logistic Regression
app_rfm_analysis        RFM Analysis
app_vistributions       Visualize distributions
app_visualizer          Visualization
exam                    Dummy data set for Cochran's Q test
hsb                     High School and Beyond Data Set
treatment               Dummy data set for 2 Sample Proportion test
xpl_gvar                Repeat data
xpl_nsignC              Return sign
