# OnCo record train-test-discipline (term). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/train-test-discipline/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "train-test-discipline" ;
  schema:name "Train, validation and test split discipline"@en ;
  schema:alternateName "train/validation/test split"@en, "training set"@en, "validation set"@en, "test set"@en, "held-out test set"@en, "held-out test split"@en, "80/20 split"@en, "hold-out set"@en ;
  schema:description "Data is divided into a training set the model learns from, a validation set used to choose settings, and a test set touched once at the end; using the test set to make choices turns it into a second validation set."@en ;
  schema:url <https://onco.cc/terms/train-test-discipline/> ;
  schema:dateModified "2026-09-24"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Training,_validation,_and_test_data_sets> ;
  schema:citation <https://en.wikipedia.org/wiki/Training,_validation,_and_test_data_sets> ;
  onco:tag "cansim-terms" ;
  onco:related <https://onco.cc/terms/cancer-ai-vocabulary/> ;
  onco:terms <https://onco.cc/terms/cross-validation/>, <https://onco.cc/terms/data-leakage/>, <https://onco.cc/terms/external-validation/>, <https://onco.cc/terms/pre-registered-experiment/> .