stata面板回归 常数项为9.03E-08,t值为0 ,p值为1
各位大侠,帮忙诊断下吧,万分感谢
Random-effects GLS regression Number of obs = 465
Group variable: province Number of groups = 31
R-sq: within = 0.0000 Obs per group: min = 15
between = 0.0000 avg = 15.0
overall = 0.8783 max = 15
Random effects u_i ~ Gaussian Wald chi2(4) = 3318.24
corr(u_i, X) = 0 (assumed) Prob > chi2 = 0.0000
------------------------------------------------------------------------------
corr | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
edu | -.5686353 .0304508 -18.67 0.000 -.6283177 -.5089528
anti | -.0864328 .017638 -4.90 0.000 -.1210027 -.0518629
income | -.4155052 .0301224 -13.79 0.000 -.474544 -.3564664
dissimilar~y | -3.05e-19 .0162688 -0.00 1.000 -.0318862 .0318862
_cons | 9.03e-08 .0162513 0.00 1.000 -.0318518 .031852
-------------+----------------------------------------------------------------
sigma_u | 0
sigma_e | .36203824
rho | 0 (fraction of variance due to u_i)
------------------------------------------------------------------------------


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