AI product & model operations · Working
Test data
Also called: test set
ELI5
Unseen data used to check how well the model works.
Used in conversation
“The test data reflects current production conditions.”
Definition
Data held aside to evaluate a trained model's performance.
Here “Test data” means: Data held aside to evaluate a trained model's performance.
Pitch context
You will see “Test data” in product strategy decks, roadmaps, experiments and architecture reviews when the discussion reaches ai product & model operations.
Why it matters: In ai product & model operations, the scope can change what data may be used, who may access it and which controls are required.
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See how pitch.dog can helpSources & evidence · 2
Direct term-level sources and supporting source families.
- National Institute of Standards and Technology — Computer Security Resource Center GlossaryDirect source · primary · checked 2026-08-16
- Scrum Guides — The Scrum Guide — official current versionSupporting source family · primary · checked 2026-08-16