请教各位一个关于计量的问题。我用eviews做了一个简单的多元回归,可是总觉得结果有些不对。哪位能帮忙看看这里那些变量没有通过t检验,应该剔除。
Dependent Variable: Y |
Method: Least Squares |
Date: 10/24/09
Time: 15:56 |
Sample(adjusted): 1990 2007 |
Included observations: 18 after adjusting endpoints |
Variable | Coefficient | Std. Error | t-Statistic | Prob.
|
C(1) | 2329.837 | 12486.01 | 0.186596 | 0.8561 |
X1 | 1.138812 | 0.239246 | 4.760011 | 0.0010 |
X2 | 24.60266 | 18.31461 | 1.343335 | 0.2121 |
X3 | -4.818103 | 20.19645 | -0.238562 | 0.8168 |
X4 | -1.168171 | 0.373115 | -3.130857 | 0.0121 |
X5 | 0.309001 | 1.885534 | 0.163880 | 0.8734 |
X6 | -0.779937 | 0.432898 | -1.801665 | 0.1051 |
X7 | -0.642276 | 0.348830 | -1.841227 | 0.0987 |
X8 | 0.126759 | 0.188132 | 0.673776 | 0.5174 |
R-squared | 0.999216 |
Mean dependent var
| 3256.388 |
Adjusted R-squared | 0.998519 |
S.D. dependent var
| 2624.554 |
S.E. of regression | 101.0081 |
Akaike info criterion
| 12.37513 |
Sum squared resid | 91823.76 |
Schwarz criterion
| 12.82032 |
Log likelihood | -102.3762 |
Durbin-Watson stat
| 1.988880 |