| boot_uncertainty | Bootstrap ensemble with out-of-bag predictions |
| clr_transform | Centered log-ratio transform for compositional fractions |
| collapse_rare_levels | Collapse rare factor levels |
| tumor_covariates | Assemble covariates that may drive uncertainty |
| uncertainty_drivers | Which covariates explain prediction uncertainty? |
| uncertainty_score | Per-sample uncertainty score from OOB predictions |
| validate_uncertainty | Does the uncertainty score track real error? |