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From |
Nick Cox <njcoxstata@gmail.com> |

To |
"statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot |

Date |
Wed, 17 Apr 2013 20:22:47 +0100 |

Thanks for the details. Your Stata is up-to-date. Your -gllamm- is not up-to-date. See SSC for a version 10 years more recent and install it using -ssc-. . ssc type gllamm.ado *! version 2.3.20 SRH 7 Sept 2011 program define gllamm, eclass I can't say whether updating will fix your problem, but it will do no harm. Nick njcoxstata@gmail.com On 17 April 2013 19:24, Sun, Wensheng <wsun@bcm.edu> wrote: > Hi, please check the below regarding the gllamm I have installed. Thanks. > > . about > Stata/IC 12.1 for Windows (64-bit x86-64) > Revision 20 Mar 2013 > Copyright 1985-2011 StataCorp LP > Total physical memory: 8344592 KB > Available physical memory: 5329516 KB > Single-user Stata perpetual license: > Serial number: 30120591501 > Licensed to: Wensheng Sun > Baylor College of Medicine > . which gllamm > c:\ado\plus\g\gllamm.ado > *! version 2.1.03 27oct2001 (TSJ-2: st0005) > > > ________________________________________ > From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox [njcoxstata@gmail.com] > Sent: Wednesday, April 17, 2013 12:22 PM > To: statalist@hsphsun2.harvard.edu > Subject: Re: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot > > It's -margins- that is complaining. That's part of official Stata. So, report > > . about > . which gllamm > > to provide a fuller picture of what you have installed. > Nick > njcoxstata@gmail.com > > > On 17 April 2013 17:40, Sun, Wensheng <wsun@bcm.edu> wrote: >> Hi Joseph, >> >> Thank you very much for the code. However, it seems my gllamm is different from your. The following is the error message. >> >> . margins, at(_Igirl_1=(0 1) age=(0(0.5)2.5)) >> Warning: cannot perform check for estimable functions. >> e(sample) does not identify the estimation sample >> r(322); >> >> . margins , at(_Igirl_1 = (0 1) age = (0(0.5)2.5)) >> Warning: cannot perform check for estimable functions. >> e(sample) does not identify the estimation sample >> r(322); >> >> I thought I already download everything I can get from gllamm including gllapred, runmlwin, and many others. Please help. >> >> Thanks. >> >> Wensheng >> >> ________________________________________ >> From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] On Behalf Of Joseph Coveney [stajc2@gmail.com] >> Sent: Tuesday, April 16, 2013 9:06 PM >> To: statalist@hsphsun2.harvard.edu >> Subject: st: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot >> >> Wensheng Sun wrote: >> >> Hi, Please help. How to do post multilevel regression estimation after gllamm? I >> tried "margins" command, it seems not work. Please fix it for me. Thanks. >> >> [snip] >> >> -------------------------------------------------------------------------------- >> >> You could try something like that below. >> >> If a variable is not a factor variable (that is, if it is not included in the >> model with the i.variable notation*), then it is considered by Stata to be a >> continuous variable. So, despite its being coded 0/1, _I_girl_1 is considered >> by Stata to be a continuous variable. >> >> -margins- requires its first arguments to be factor variables--variables that >> were in the model as i.variable. Because _I_girl_1 is a continuous variable and >> not a factor variable, you must treat it as a continuous variable when you refer >> to it with -margins-. >> >> Joseph Coveney >> >> *-anova- and -manova- are notable exceptions. >> >> >> [Model fitting omitted for brevity. To see it, look at my most recent post in >> this thread.] >> >> . margins , at(_Igirl_1 = (0 1) age = (0(0.5)2.5)) >> Warning: cannot perform check for estimable functions. >> >> Predictive margins Number of obs = 198 >> Model VCE : OIM >> >> Expression : predict() >> >> 1._at : age = 0 >> _Igirl_1 = 0 >> >> 2._at : age = 0 >> _Igirl_1 = 1 >> >> 3._at : age = .5 >> _Igirl_1 = 0 >> >> 4._at : age = .5 >> _Igirl_1 = 1 >> >> 5._at : age = 1 >> _Igirl_1 = 0 >> >> 6._at : age = 1 >> _Igirl_1 = 1 >> >> 7._at : age = 1.5 >> _Igirl_1 = 0 >> >> 8._at : age = 1.5 >> _Igirl_1 = 1 >> >> 9._at : age = 2 >> _Igirl_1 = 0 >> >> 10._at : age = 2 >> _Igirl_1 = 1 >> >> 11._at : age = 2.5 >> _Igirl_1 = 0 >> >> 12._at : age = 2.5 >> _Igirl_1 = 1 >> >> ------------------------------------------------------------------------------ >> | Delta-method >> | Margin Std. Err. z P>|z| [95% Conf. Interval] >> -------------+---------------------------------------------------------------- >> _at | >> 1 | 1.828415 .042767 42.75 0.000 1.744593 1.912237 >> 2 | 1.74101 .029594 58.83 0.000 1.683007 1.799013 >> 3 | 1.99406 .0351737 56.69 0.000 1.925121 2.062999 >> 4 | 1.906655 .0277658 68.67 0.000 1.852235 1.961075 >> 5 | 2.159704 .0286555 75.37 0.000 2.103541 2.215868 >> 6 | 2.072299 .0290146 71.42 0.000 2.015432 2.129167 >> 7 | 2.325349 .0241011 96.48 0.000 2.278112 2.372586 >> 8 | 2.237944 .0329929 67.83 0.000 2.173279 2.302609 >> 9 | 2.490994 .0227236 109.62 0.000 2.446456 2.535531 >> 10 | 2.403589 .0388715 61.83 0.000 2.327402 2.479775 >> 11 | 2.656638 .0250527 106.04 0.000 2.607536 2.705741 >> 12 | 2.569233 .0459263 55.94 0.000 2.479219 2.659247 >> ------------------------------------------------------------------------------ >> >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**RE: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Sun, Wensheng" <wsun@bcm.edu>

**References**:**st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Sun, Wensheng" <wsun@bcm.edu>

**st: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Joseph Coveney" <stajc2@gmail.com>

**st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Sun, Wensheng" <wsun@bcm.edu>

**Re: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*William Buchanan <william@williambuchanan.net>

**RE: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Sun, Wensheng" <wsun@bcm.edu>

**RE: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Sun, Wensheng" <wsun@bcm.edu>

*From:*"Sun, Wensheng" <wsun@bcm.edu>

**st: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Joseph Coveney" <stajc2@gmail.com>

**st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*"Sun, Wensheng" <wsun@bcm.edu>

**Re: st: RE: Re: xtmixed with log-transfered dependent variable: back to non-log on margins and marginsplot***From:*Nick Cox <njcoxstata@gmail.com>

*From:*"Sun, Wensheng" <wsun@bcm.edu>

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