(30) ‘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;
Art. 3(30): validation data
Art. 3(30), Regulation (EU) 2024/1689
Part of
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The EU AI Act Implementation Expert program teaches the working practice behind every article: classification, conformity, documentation, and the judgment to defend your decisions.
Mechanically consolidated from the official OJ texts of Regulations (EU) 2024/1689 and 2026/1744 (the Digital Omnibus, in force 27 July 2026); unofficial pending the official EUR-Lex consolidation. Study aid, not legal advice; the official texts on EUR-Lex are authoritative.