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From | "Kieran McCaul" <Kieran.McCaul@uwa.edu.au> |
To | <statalist@hsphsun2.harvard.edu> |
Subject | st: RE: mlogit c(showbaselevels) undefined error |
Date | Fri, 29 Oct 2010 15:05:16 +0800 |
... This works OK for me. You should type -update query- . clear* . webuse sysdsn1 (Health insurance data) . mlogit insure age male nonwhite i.site Iteration 0: log likelihood = -555.85446 Iteration 1: log likelihood = -534.67443 Iteration 2: log likelihood = -534.36284 Iteration 3: log likelihood = -534.36165 Iteration 4: log likelihood = -534.36165 Multinomial logistic regression Number of obs = 615 LR chi2(10) = 42.99 Prob > chi2 = 0.0000 Log likelihood = -534.36165 Pseudo R2 = 0.0387 ------------------------------------------------------------------------ ------ insure | Coef. Std. Err. z P>|z| [95% Conf. Interval] -------------+---------------------------------------------------------- ------ Indemnity | (base outcome) -------------+---------------------------------------------------------- ------ Prepaid | age | -.011745 .0061946 -1.90 0.058 -.0238862 .0003962 male | .5616934 .2027465 2.77 0.006 .1643175 .9590693 nonwhite | .9747768 .2363213 4.12 0.000 .5115955 1.437958 | site | 2 | .1130359 .2101903 0.54 0.591 -.2989296 .5250013 3 | -.5879879 .2279351 -2.58 0.010 -1.034733 -.1412433 | _cons | .2697127 .3284422 0.82 0.412 -.3740222 .9134476 -------------+---------------------------------------------------------- ------ Uninsure | age | -.0077961 .0114418 -0.68 0.496 -.0302217 .0146294 male | .4518496 .3674867 1.23 0.219 -.268411 1.17211 nonwhite | .2170589 .4256361 0.51 0.610 -.6171725 1.05129 | site | 2 | -1.211563 .4705127 -2.57 0.010 -2.133751 -.2893747 3 | -.2078123 .3662926 -0.57 0.570 -.9257327 .510108 | _cons | -1.286943 .5923219 -2.17 0.030 -2.447872 -.1260134 ------------------------------------------------------------------------ ------ -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of godwin osoro Sent: Friday, 29 October 2010 2:44 PM To: statalist@hsphsun2.harvard.edu Subject: st: mlogit c(showbaselevels) undefined error im running a mlogit on stata 11 and getting an error message c(showbaselevels) undefined. even when i use webuse sysdsn1 and run mlogit insure age male nonwhite i.site for the dat in stata i still get the same error message. what is the problem and what should i do? * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/