Eview6.0做关于财政收入的回归,出来的国民总值以及工业产值等前面的系数怎么都是负的?
还有几个变量例如工农林业总收入、人口数等,只有一个的系数是正的,其它是负的。。
怎么回事??
Dependent Variable: Y
Method: Least Squares
Date: 11/03/12 Time: 20:05
Sample: 1990 2010
Included observations: 21
Coefficient Std. Error t-Statistic Prob.
X1 0.456640 0.051435 8.877926 0.0000
X2 -0.314472 0.097517 -3.224800 0.0057
X3 -0.502860 0.057323 -8.772363 0.0000
X4 -0.028080 0.019322 -1.453258 0.1668
X5 -0.425333 0.078267 -5.434420 0.0001
C 48983.20 8737.290 5.606223 0.0001
R-squared 0.999755 Mean dependent var 23535.08
Adjusted R-squared 0.999674 S.D. dependent var 23786.25
S.E. of regression 429.5382 Akaike info criterion 15.19825
Sum squared resid 2767546. Schwarz criterion 15.49669
Log likelihood -153.5817 Hannan-Quinn criter. 15.26302
F-statistic 12263.15 Durbin-Watson stat 2.101875
Prob(F-statistic) 0.000000


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