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

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

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

Date |
Wed, 17 Apr 2013 11:40:11 -0500 |

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/

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

**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>

**RE: 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>

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