Correlated Random Effects - Hausman Test
Pool: Y
Test cross-section random effects
Test Summary Chi-Sq. Statistic Chi-Sq. d.f. Prob.
Cross-section random 0.000000 11 1.0000
* Cross-section test variance is invalid. Hausman statistic set to zero.
请教各位大虾,这个问题是怎么导致的呢?如何解决?
谢谢!
急需急需阿!