Build leave-one-cohort-out splits with same-block exclusion

Build leave-one-cohort-out splits with same-block exclusion

Usage

singlesample_make_loco_splits(
  sample_meta,
  cohort_col = "cohort",
  provenance_block_col = "provenance_block",
  min_train_cohorts = 1L
)

Arguments

sample_meta

Data frame with one row per sample.

cohort_col

Column identifying cohorts.

provenance_block_col

Optional column identifying specimen-provenance blocks. When present, samples in the held-out block are excluded from training.

min_train_cohorts

Minimum number of training cohorts required for an evaluable split.

Value

A list of split objects with train/test indices and status.