1.Quick-Estimate Equation中先选择Method:STEPLS;2.在Dependent Variable中输入Y,在List of search regressors中输入C X1 X2 X3 X4 3.特别要注意在Options中设置迭代中止条件Stopping Criteria,选择以显著性水平p值作为判别依据,假设检验水平为5%,设置两个值0.05和0.051。4.Stepwise中选择向前还是...