Defined in the law · AI Act Art. 3(30)

Validation data

In plain English

Data used to evaluate a trained AI system and tune its non-learnable parameters and learning process, for example to prevent underfitting or overfitting.

The definition in the law

‘validation data’ means data used for providing an evaluation of the trained AI system and for tuning its non-learnable parameters and its learning process in order, inter alia, to prevent underfitting or overfitting

Regulation (EU) 2024/1689 (AI Act), Article 3(30)EUR-LexRead it on Fino →

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The official text is quoted word for word from the English version of the source named under it; only the version published in the Official Journal of the EU is legally binding. The plain-English line is Fino’s own summary, not legal advice.