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Dataset split

Last updated Jul 17, 2026

Dividing examples into **train / validation / test** so you measure generalization, not memorization.

On this page

  • When to use
  • When not to

#When to use

Fine-tuning adapters, training classifiers, building eval sets.

#When not to

Tiny demo sets — still hold out at least a few examples for sanity checks.

Learn by doing → Learn by doing →

Related terms

  • Supervised learning
  • Overfitting
  • Benchmark
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