统计知识点

xiaoxiao2021-02-28  44

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[yf^(x)2] P E = E [ y − f ^ ( x ) 2 ] PE=MSE+σ2 P E = M S E + σ 2

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