|   模型y1  |       B  |       标准错误  |       T  |       显著性  |       VIF  |    
|   常量  |       158981.195  |       33108.084  |       4.802  |       0.000**  |       
  |    
|   x1  |       −37354.127  |       7913.543  |       −4.720  |       0.000**  |       1.503  |    
|   x1  |       −20.863  |       34.623  |       −0.603  |       0.556  |       4.569  |    
|   x3  |       0.110  |       0.021  |       5.278  |       0.000**  |       5.400  |