base_function           Base Classifier Training function Train a base
                        multi-class model (RF / SVM / Multinomial
                        Logistic)
hnp_box_plot            HNP Box Plot Experiment
hnp_delta_search        Delta search
hnp_map_classes         Classes Mapping function for HNP Algorithm Map
                        class labels to canonical levels "1", "2", "3"
hnp_summary             hnp_summary Summarize a ternary classifier's
                        performance
hnp_umbrella            HNP Umbrella Algorithm
hnp_umbrella_flex       HNP Umbrella (flex): use custom score functions
                        and pre-split data
hnp_upper_bound         Upper Bound of the ith Threshold (Optimal ith
                        Threshold)
probability_to_score_1
                        T1 Calculation Create T1 scoring function from
                        a fitted model
probability_to_score_2
                        T2 Calculation Create T2 scoring function as
                        ratio P(class 2)/P(class 3)
