validation data

Definition of validation data from Regulation (EU) 2024/1689, Article 3, point (30).

Defined term	validation data
Source	AI Act
Reference	Article 3, point (30)
Status	Published
Refresh rule	Regenerate after source legal-text changes

Definition

(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;

Source

AI Act, Article 3, point (30).