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自己顶一下,贴上结果
Random-effects GLS regression Number of obs = 316
Group variable: province Number of groups = 29
R-sq: within = 0.8344 Obs per group: min = 5
between = 0.6363 avg = 10.9
overall = 0.7361 max = 13
Wald chi2(3) = 1417.47
corr(u_i, X) = 0 (assumed) Prob > chi2 = 0.0000
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lny | Coef. Std. Err. z P>|z| [95% Conf. Interval]
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lny1 | .1801599 .012724 14.16 0.000 .1552214 .2050984
x1 | 3.447659 .2025166 17.02 0.000 3.050733 3.844584
x2 | 2.707206 .3350191 8.08 0.000 2.050581 3.363832
_cons | -2.48214 .1717396 -14.45 0.000 -2.818744 -2.145537
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sigma_u | .21894588
sigma_e | .21943626
rho | .4988814 (fraction of variance due to u_i)
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