积分方均误差(IMSE,Integrated Mean Squared Error):
∫xMSE(x)w(x)dx ∫ x M S E ( x ) w ( x ) d x
标准化均方根误差(SMSE,Scaled Mean Squared Error):
SMSE=IMSEVar(f) S M S E = I M S E V a r ( f )
预测误差(PE,Prediction Error):
PE=E[y−f^(x)2] P E = E [ y − f ^ ( x ) 2 ] ; PE=MSE+σ2 P E = M S E + σ 2