| 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 |
| 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 |