备表8 对X2、X1、X3回归分析 Dependent Variable: Y Method: Least Squares Date: 11/14/13 Time: 21:15 Sample: 1 31 Included observations: 31
Coefficient Std. Error t-Statistic C -975.0304 15047.61 -0.064796 X2 0.227087 0.040334 5.630196 X1 0.603269 0.364972 1.652919 X3 0.024860 0.056581 0.439370 R-squared 0.875870 Mean dependent var Adjusted R-squared 0.862078 S.D. dependent var S.E. of regression 41864.78 Akaike info criterion Sum squared resid 4.73E+10 Schwarz criterion Log likelihood -371.7540 Hannan-Quinn criter. F-statistic 63.50482 Durbin-Watson stat Prob(F-statistic) 0.000000
备表9 对X2、X1、X4回归分析 Dependent Variable: Y Method: Least Squares Date: 11/14/13 Time: 21:16 Sample: 1 31 Included observations: 31
Coefficient Std. Error t-Statistic C 17568.38 33747.27 0.520587 X2 0.237243 0.040667 5.833838 X1 0.773017 0.281939 2.741794 X4 -1.364110 1.943398 -0.701920
R-squared 0.877223 Mean dependent var Adjusted R-squared 0.863581 S.D. dependent var S.E. of regression 41636.01 Akaike info criterion Sum squared resid 4.68E+10 Schwarz criterion Log likelihood -371.5841 Hannan-Quinn criter. F-statistic 64.30377 Durbin-Watson stat Prob(F-statistic) 0.000000
Prob. 0.9488 0.0000 0.1099 0.6639 114619.2 112728.1 24.24219 24.42722 24.30251 1.842559
Prob. 0.6069 0.0000 0.0107 0.4887 114619.2 112728.1 24.23123 24.41626 24.29155 2.042712
评语：
令人满意的实验结果和报告，看来你花了不少精力和心思。以后需要进一步改进或注意的是：
(1)多重共线性/异方差/自相关方面要注意写得更详细更具体一些； (2)经济含义的解释可更精确一点。