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st: oaxaca2 command
Dear Ben and all,
I am trying to run an oaxaca decomposition using a Tobit
model for both groups. I obtain the model estimates, however, an error message
appears before the decomposition (variable _se not found). Below is my output.
Do you think you can help me?
Thanks a lot!
Cecilia
oaxaca2 lasset_s sratio cpiyear edumai edupai tierrapas_ss comun_d2 comun_d3
comun_d4, by(sexo) noisily cmd(tobit) cmdopts(ll)
Tobit estimates Number of obs = 519
LR chi2(8) = 36.16
Prob > chi2 = 0.0000
Log likelihood = -1211.108 Pseudo R2 = 0.0147
------------------------------------------------------------------------------
lasset_s | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
sratio | 2.536813 1.759915 1.44 0.150 -.9207472 5.994373
cpiyear | .0964376 .051712 1.86 0.063 -.0051566 .1980318
edumai | .3448833 .127946 2.70 0.007 .0935184 .5962481
edupai | .170847 .1225167 1.39 0.164 -.0698514 .4115454
tierrapas_ss | 1.036366 .5241712 1.98 0.049 .0065703 2.066162
comun_d2 | -1.963339 .6999568 -2.80 0.005 -3.338486 -.5881918
comun_d3 | -.2802037 .7713011 -0.36 0.717 -1.795515 1.235108
comun_d4 | -1.034608 .7216478 -1.43 0.152 -2.45237 .3831538
_cons | -191.6889 102.3985 -1.87 0.062 -392.8627 9.484865
-------------+----------------------------------------------------------------
_se | 5.500806 .2377877 (Ancillary parameter)
------------------------------------------------------------------------------
Obs. summary: 186 left-censored observations at lasset_s<=0
333 uncensored observations
Tobit estimates Number of obs = 520
LR chi2(8) = 29.10
Prob > chi2 = 0.0003
Log likelihood = -1057.5857 Pseudo R2 = 0.0136
------------------------------------------------------------------------------
lasset_s | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
sratio | 1.542399 .565598 2.73 0.007 .4312204 2.653577
cpiyear | -.0114687 .0163822 -0.70 0.484 -.0436534 .020716
edumai | .0575413 .040962 1.40 0.161 -.022933 .1380156
edupai | .0320005 .0388332 0.82 0.410 -.0442916 .1082926
tierrapas_ss | .5151075 .1688958 3.05 0.002 .1832935 .8469215
comun_d2 | -.51754 .2244868 -2.31 0.022 -.9585685 -.0765114
comun_d3 | -.3313936 .2551452 -1.30 0.195 -.8326538 .1698667
comun_d4 | -.233653 .2319497 -1.01 0.314 -.6893433 .2220372
_cons | 29.67344 32.46123 0.91 0.361 -34.10014 93.44703
-------------+----------------------------------------------------------------
_se | 1.849414 .0583979 (Ancillary parameter)
------------------------------------------------------------------------------
Obs. summary: 10 left-censored observations at lasset_s<=0
510 uncensored observations
Group 1: sexo = 0 Number of obs 1 = 519
Group 2: sexo = 1 Number of obs 2 = 520
variable _se not found
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