پرسش‌های Farzaneh Yazdani (٢)

you can overfit the cross-validation criterion as the model is tuned in ways that exploit this random variation rather than in ways that really do improve performance​. میشه مفهومش رو برام توضیح بدید؟

معنی  جمله زیر: This can prevent the model from continuing to adapt to the training data once the validation error stops decreasing​.