XGBoostSub_bin          XGBoost Model with Modified Loss Function for
                        Subgroup Identification with Binary Outcomes
XGBoostSub_con          XGBoost Model with Modified Loss Function for
                        Subgroup Identification with Continuous
                        Outcomes
XGBoostSub_sur          XGBoost Model with Modified Loss Function for
                        Subgroup Identification with Survival Outcomes
cat_summary             Summarize Categorical Variables in Subgroup
cdf_plot                CDF Plot for a biomarker
cut_perf                Cutoff Performance Evaluation
eval_metric_bin         Evaluation Metrics for XGBoostSub_bin Model
eval_metric_con         Evaluation Metrics for XGBoostSub_con Model
eval_metric_sur         Evaluation Metrics for XGBoostSub_sur Model
fixcut_bin              Fixed Cutoff Analysis for Individual Biomarker
                        Associated with Binary Outcome Variables
fixcut_con              Fixed Cutoff Analysis for Individual Biomarker
                        Associated with Continuous Outcome
fixcut_sur              Fixed Cutoff Analysis for Individual Biomarker
                        Associated with Survival Outcome
gam_ctr_plot            GAM Contrast Plot
gam_plot                GAM Plot
get_subgroup_results    Get Subgroup Results
predictive_biomarker_imp
                        Plot Predictive Biomarker Importance based on
                        XGBoost-based Subgroup Model
roc_bin                 AUC ROC Table for Biomarkers Associated with
                        Binary Outcomes
roc_bin_plot            ROC Plot Biomarkers Associated with Binary
                        Outcomes
scat_cont_plot          Scatter Plot for a Biomarker Associated with
                        Continuous Outcome
subgrp_perf             Subgroup Performance Evaluation for Prognostic
                        Cases
subgrp_perf_pred        Subgroup Performance Evaluation for Predictive
                        Cases
tutorial_data           Tutorial Data
