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python固定效应模型_固定效应模型运行结果分析

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Fixed-effects (within) regression? ?? ?? ?? ?? ?Number of obs? ?? ?=? ?? ? 270


Group variable: district? ?? ?? ?? ?? ?? ?? ?? ?Number of groups? ?=? ?? ???30


R-sq:??within??= 0.3651? ?? ?? ?? ?? ?? ?? ?? ? Obs per group: min =? ?? ?? ?9


between = 0.6362? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ? avg =? ?? ? 9.0


overall = 0.5300? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ? max =? ?? ?? ?9


F(8,232)? ?? ?? ???=? ???16.68


corr(u_i, Xb)??= -0.0605? ?? ?? ?? ?? ?? ?? ?? ?Prob > F? ?? ?? ???=? ? 0.0000


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lnpatent |? ?? ?Coef.? ?Std. Err.? ?? ?t? ? P>|t|? ???[95% Conf. Interval]


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lncharge |? ?.0988603? ?.1861722? ???0.53? ?0.596? ???-.267944? ? .4656646


lnascale |? ?.3145636? ?.2756249? ???1.14? ?0.255? ? -.2284841? ? .8576113


sqrtnumber |??-.3619871? ? .164627? ? -2.20? ?0.029? ? -.6863422? ? -.037632


lnedu |? ?.2255817? ?.2556376? ???0.88? ?0.378? ? -.2780863? ? .7292497


lncapital |? ?.6798093? ?.3027874? ???2.25? ?0.026? ???.0832448? ? 1.276374


lnmarket |??-.6597094? ?.3848387? ? -1.71? ?0.088? ? -1.417935? ???.098516


lnletter |? ?.0022386? ?.0600167? ???0.04? ?0.970? ? -.1160088? ???.120486


lnenergyc |??-.3095587? ?.6136068? ? -0.50? ?0.614? ? -1.518512? ? .8993951


_cons |??-6.011771? ?3.608769? ? -1.67? ?0.097? ? -13.12192? ? 1.098377


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sigma_u |??.80969135


sigma_e |??.90665845


rho |??.44368364? ?(fraction of variance due to u_i)


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F test that all u_i=0:? ???F(29, 232) =? ???4.64? ?? ?? ?? ? Prob > F = 0.0000


这个运行结果说明什么问题啊?P值显示好多都不显著,这个怎么办啊?



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