[機器學習]機器學習性能評價指標

迴歸: 1.平均絕對誤差MAE(Mean Absloute Error)又被稱作l1範數損失(l1-norm loss): M A E ( y , y ^ ) = 1 n s a m p l e s ∑ i = 1 n s a m p l e s ∣ y i − y ^ i ∣ {\rm MAE}(y, \hat{y})=\frac{1}{n_{\rm samples}}\sum\limits_{

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