sst平方和又名

总平方和(SST)=残差平方和(SSE)+回归平方和(SSR)

设观测值,是观测值的各分量的均值,是观测值的估计值.

. Total sum of squares (TSS ) 亦被称为 SST.

. Residual sum of squares (RSS) 亦被称为 the sum of squared errors of prediction (SSE).

. Explained sum of squares (ESS) 亦被称为 the sum of squares due to regression (SSR).