logistic回归模型(概率型非线性回归) β0+β1X1+β2 BmXm) =exp(Bo+B1X1+β2X2+…+βmXm) (1-P)e)=e()-Pe()P(1+e)=e exp(βo+β1X1+β2X2+…+BmXm) +exp(β。+β1X1+β2X2+…+BmXm) 1+exp|-(β0+β1X1+β2X2+…+mXm)Logistic回归模型（概率型非线性回归）     0 1 1 2 2 m m X X X exp X X X e 1 p P 0 1 1 2 2 m m                      P (1 P)e e Pe P(1 e ) e () () () () ()           0 1 1 2 2 m m 0 1 1 2 2 m m 1 exp X X X exp X X X P                      1 exp[ ( X X X )] 1 P   0  1 1  2 2   m m  