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st: bugs using _all


From   "Jun Xu" <[email protected]>
To   [email protected]
Subject   st: bugs using _all
Date   Fri, 08 Jul 2005 15:33:56 -0500

Could be that I missed something, but it might be a bug. I found that sometimes, I will get weird results or simply refusal to estimate a simple logit model. For example (lfp is the first variable in the list),

. logit _all

outcome = __000000 > 325 predicts data perfectly
r(2000);

. logit lfp-inc

Iteration 0: log likelihood = -514.8732
Iteration 1: log likelihood = -454.32339
Iteration 2: log likelihood = -452.64187
Iteration 3: log likelihood = -452.63296
Iteration 4: log likelihood = -452.63296

Logistic regression Number of obs = 753
LR chi2(7) = 124.48
Prob > chi2 = 0.0000
Log likelihood = -452.63296 Pseudo R2 = 0.1209

------------------------------------------------------------------------------
lfp | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
k5 | -1.462913 .1970006 -7.43 0.000 -1.849027 -1.076799
k618 | -.0645707 .0680008 -0.95 0.342 -.1978499 .0687085
age | -.0628706 .0127831 -4.92 0.000 -.0879249 -.0378162
wc | .8072738 .2299799 3.51 0.000 .3565215 1.258026
hc | .1117336 .2060397 0.54 0.588 -.2920969 .515564
lwg | .6046931 .1508176 4.01 0.000 .3090961 .9002901
inc | -.0344464 .0082084 -4.20 0.000 -.0505346 -.0183583
_cons | 3.18214 .6443751 4.94 0.000 1.919188 4.445092
------------------------------------------------------------------------------




Jun Xu
Ph.D. Candidate
Department of Sociology
Indiana University at Bloomington
http://mypage.iu.edu/~junxu/home

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