Generalization Empirical risk: R回-∑6ox》 Note:A good model cannot only take training loss into account and minimize the empirical risk.Instead,improve the model generalization Model Model Model True function True function True function Samples Samples ●Samples Model Selection:To avoid Underfitting and OverfittingEmpirical risk: Note: A good model cannot only take training loss into account and minimize the empirical risk. Instead, improve the model generalization. Generalization R F = 1 N 𝑖=1 𝑁 L yi , F xi Model Selection: To avoid Underfitting and Overfitting