add_model               Add predictive models to Summary list.
add_prob                Add Class Probability
suggest_accuracy        Compare performance based on accuracy metrics.
suggest_auc             Compare performance based on Area Under the
                        Curve, Sensitivity, and Specificity.
suggest_category        Compare model performance by model category
                        from 'caret' package
suggest_gain            Plot Gain Chart and Lift Chart
suggest_probCut         Compare Class Probability Distribution based on
                        Probability Cut-off
suggest_probPop         Compare class probability distributions based
                        on the population.
suggest_transformation
                        Plot Skewness and Kurtosis and suggest
                        transformations
suggest_variable        Compare variables by importance.
