请问各位路过的朋友,Eviews中做完回归后,用怀特检验进行异方差检验,怎样确定存在异方差?下面是截图,麻烦帮忙看下有没有异方差的存在。谢~~谢谢!!
Heteroskedasticity Test: White
F-statistic 19.80045 Prob. F(14,2) 0.0491
Obs*R-squared 16.87823 Prob. Chi-Square(14) 0.2627
Scaled explained SS 18.18601 Prob. Chi-Square(14) 0.1984
Test Equation:
Dependent Variable: RESID^2
Method: Least Squares
Date: 12/24/09 Time: 06:45
Sample: 1992 2008
Included observations: 17
Coefficient Std. Error t-Statistic Prob.
C 2.73E+23 1.47E+23 1.862937 0.2035
X1 -1.12E+16 9.83E+16 -0.113738 0.9198
X1^2 99197675 1.89E+09 0.052544 0.9629
X1*X2 -1.91E+09 8.52E+09 -0.224803 0.8430
X1*X3 -2.55E+09 1.61E+10 -0.158143 0.8889
X1*X4 6.10E+09 3.15E+10 0.193820 0.8642
X2 4.30E+17 1.18E+17 3.638299 0.0679
X2^2 -8.55E+10 1.60E+10 -5.328532 0.0335
X2*X3 8.20E+10 2.14E+10 3.836287 0.0617
X2*X4 2.19E+11 1.04E+11 2.108013 0.1696
X3 -2.37E+16 8.82E+16 -0.268830 0.8133
X3^2 -1.38E+10 6.50E+09 -2.129892 0.1669
X3*X4 -1.04E+11 1.59E+11 -0.657405 0.5785
X4 -7.77E+17 9.12E+17 -0.852615 0.4837
X4^2 -1.47E+11 1.40E+11 -1.048581 0.4044
R-squared 0.992837 Mean dependent var 4.80E+22
Adjusted R-squared 0.942695 S.D. dependent var 1.03E+23
S.E. of regression 2.46E+22 Akaike info criterion 105.5777
Sum squared resid 1.21E+45 Schwarz criterion 106.3129
Log likelihood -882.4102 Hannan-Quinn criter. 105.6508
F-statistic 19.80045 Durbin-Watson stat 3.529029
Prob(F-statistic) 0.049077