这是固定效应结果
lnyouxiao | Coef. Std. Err. t P>|t| [95% Conf. Interval]
--------------+----------------------------------------------------------------
1 | 1.335396 .1535941 8.69 0.000 1.023256 1.647537
2 | 13.04417 6.23747 2.09 0.044 .3681046 25.72023
l3 .2839585 .1329624 2.14 0.040 .0137464 .5541706
4 | .5219255 .112225 4.65 0.000 .2938569 .7499941
5 | -1.961304 1.922586 -1.02 0.315 -5.86847 1.945862
6 | -.4508777 .3757664 -1.20 0.238 -1.214527 .3127716
_cons | -15.22204 2.202658 -6.91 0.000 -19.69838 -10.7457
--------------+----------------------------------------------------------------
sigma_u | 1.90662
sigma_e | .25618674
rho | .9822657 (fraction of variance due to u_i)
-------------------------------------------------------------------------------
F test that all u_i=0: F(9, 34) = 12.53 Prob > F = 0.0000
这个是异方差检验结果
xttest3
Modified Wald test for groupwise heteroskedasticity
in fixed effect regression model
H0: sigma(i)^2 = sigma^2 for all i
chi2 (10) = 260.62
Prob>chi2 = 0.0000
我后续应该怎样处理呢?还请大神赐教,谢谢了。