calculate_covariate_drift
                        Calculate Covariate Drift for two data frames
calculate_distance      Calculate Non-Intersection Distance
calculate_model_drift   Calculate Model Drift for comparison of models
                        trained on new/old data
calculate_residuals_drift
                        Calculate Residual Drift for old model and new
                        vs. old data
check_drift             This function executes all tests for drift
                        between two datasets / models
compare_two_profiles    Calculates distance between two Ceteris Paribus
                        Profiles
print.all_drifter_checks
                        Print All Drifter Checks
print.covariate_drift   Print Covariate Drift Data Frame
print.model_drift       Print Model Drift Data Frame
