请指点下如何写回归方程式！

oefficients(a)
Model          Unstandardized Coefficients  Standardized Coefficients           t                    Sig.
                                       B        Std. Error                 Beta   
1 (Constant)           -87.378    62.452                                                               -1.399            .173
 income                       .354    .039                         .773                                    9.081              .000
 price                      206.538    75.212                   .234                                   2.746              .011
a 

Dependent Variable: foodexp

[此贴子已经被作者于2009-6-1 13:35:43编辑过]