Random-effects tobit regression Number of obs = 106
Group variable: nian Number of groups = 3
Random effects u_i ~ Gaussian Obs per group: min = 35
avg = 35.3
max = 36
Wald chi2(7) = 14.06
Log likelihood = -22.843589 Prob > chi2 = 0.0501
tc Coef. Std. Err. z P>z [95% Conf. Interval]
scale 11.93397 6.155891 1.94 0.053 -.1313535 23.9993
income -12.7002 6.69285 -1.90 0.058 -25.81795 .417543
edu .3451829 .142897 2.42 0.016 .06511 .6252559
manage .0682217 .0866916 0.79 0.431 -.1016907 .2381341
found -.0947924 .0577339 -1.64 0.101 -.2079488 .0183639
owner .0017009 .0708878 0.02 0.981 -.1372366 .1406383
time .0566354 .0532543 1.06 0.288 -.047741 .1610119
_cons .0870657 .164324 0.53 0.596 -.2350034 .4091348
/sigma_u .0522386 .0385356 1.36 0.175 -.0232898 .1277669
/sigma_e .2614444 .0198729 13.16 0.000 .2224941 .3003946
rho .0383904 .0551897 .0010789 .3185508
Observation summary: 0 left-censored observations
96 uncensored observations
10 right-censored observations
这是tobit回归的结果,好几个变量不显著?这是什么问题啊?这个回归结果合理吗?