1、在拟合:Y=C(1)*Y(-1)+C(2)*Y(-2)+C(3)*Y(-11)+C(4)*X(-1)+(C(5)*Y(-1)+C(6)*Y(-2)++C(7)*Y(-11)+C(8)*X(-1))*(1+EXP(-C(9)*(X(-3)-C(10))))^-1时,可行的,有如下结果:
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Method: Least Squares | | | | |
Date: 03/31/12 Time: 13:31 | | | |
Sample (adjusted): 1994M12 2011M12 | | | |
Included observations: 205 after adjustments | | |
Convergence achieved after 75 iterations | | |
Y=C(1)*Y(-1)+C(2)*Y(-2)+C(3)*Y(-11)+C(4)*X(-1)+(C(5)*Y(-1)+C(6)*Y(-2) |
+C(7)*Y(-11)+C(8)*X(-1))*(1+EXP(-C(9)*(X(-3)-C(10))))^-1 |
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| Coefficient | Std. Error | t-Statistic | Prob. | | |
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C(1) | 1.128554 | 0.358271 | 3.150005 | 0.0019 | | |
C(2) | 0.29989 | 0.388777 | 0.771367 | 0.4414 | | |
C(3) | -0.05779 | 0.132033 | -0.43772 | 0.6621 | | |
C(4) | 0.091535 | 0.074977 | 1.220833 | 0.2236 | | |
C(5) | 0.024583 | 0.365596 | 0.067241 | 0.9465 | | |
C(6) | -0.62154 | 0.395992 | -1.56958 | 0.1181 | | |
C(7) | 0.112218 | 0.136886 | 0.819789 | 0.4133 | | |
C(8) | -0.13742 | 0.076908 | -1.78679 | 0.0755 | | |
C(9) | 14.23762 | 62.74534 | 0.226911 | 0.8207 | | |
C(10) | -3.67673 | 0.537143 | -6.84497 | 0 | | |
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R-squared | 0.872359 | Mean dependent var | 0.0586 | | |
Adjusted R-squared | 0.866468 | S.D. dependent var | 1.198359 | | |
S.E. of regression | 0.437905 | Akaike info criterion | 1.233921 | | |
Sum squared resid | 37.39333 | Schwarz criterion | 1.396019 | | |
Log likelihood | -116.477 | Hannan-Quinn criter. | 1.299485 | | |
Durbin-Watson stat | 1.819367 |
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2、但根据T值的显著性,想调整变量,册除c(5)后,再进行回归。却行不了!出现overflow!!!!!!!!
用的是EVIEWS 6 破解版。