stata面板数据的固定效应回归结果如下:
| Fixed-effects (within) regression Number of obs = 1492 | ||||||||
| Group variable: company Number of groups = 373 | ||||||||
| R-sq: within = 0.2329 Obs per group: min = 4 | ||||||||
| between = 0.0086 avg = 4.0 | ||||||||
| overall = 0.1406 max = 4 | ||||||||
| F(4,1115) = 84.62 | ||||||||
| corr(u_i, Xb) = -0.2457 Prob > F = 0.0000 | ||||||||
| ------------------------------------------------------------------------------ | ||||||||
| i | Coef. Std. Err. t P>|t| [95% Conf. Interval] | ||||||||
| -------------+---------------------------------------------------------------- | ||||||||
| lagi | -.2262959 .0322714 -7.01 0.000 -.2896155 -.1629764 | ||||||||
| q | -.1987852 .0140562 -14.14 0.000 -.2263648 -.1712056 | ||||||||
| c | .4258781 .0399539 10.66 0.000 .3474847 .5042715 | ||||||||
| s | .0420486 .0112306 3.74 0.000 .0200132 .064084 | ||||||||
| _cons | .1924736 .0231355 8.32 0.000 .1470795 .2378677 | ||||||||
| -------------+---------------------------------------------------------------- | ||||||||
| sigma_u | .23626226 | ||||||||
| sigma_e | .38637132 | ||||||||
| rho | .27215569 (fraction of variance due to u_i) | ||||||||
| ------------------------------------------------------------------------------ | ||||||||
| F test that all u_i=0: F(372, 1115) = 1.18 Prob > F = 0.0231 | ||||||||
我该怎么对回归效果进行分析呢?我要得到的是i与s的系数的正负和显著性,然后整体的回归效果怎么看?R-sq: corr(u_i, Xb) 、F(4,1115)、F(372, 1115)等该怎么看?多大为好呢?谢谢高人指点
[此贴子已经被作者于2009-4-4 14:38:44编辑过]


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