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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 18:22:32 +0100 |

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/

**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>

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