回歸問題中常用的評(píng)估指標(biāo),附計(jì)算代碼
2023-05-08 21:20 作者:數(shù)學(xué)建模學(xué)習(xí)交流 | 我要投稿

SSE 誤差(或殘差)平方和? (Sum of Squares due to Error )


MSE 均方誤差(Mean Square Error)

RMSE:? 均方根誤差(Root Mean Square Error)


MAE: 平均絕對(duì)誤差(Mean Absolute Error)

MAPE: 平均絕對(duì)百分比誤差(Mean Absolute Percentage Error)


SMAPE:對(duì)稱平均絕對(duì)百分比誤差(Symmetric Mean Absolute Percentage Error)


R2:決定系數(shù)、可決系數(shù)、R方、擬合優(yōu)度


標(biāo)簽: