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Re: st: RE: Graphing xttobit predictive values


From   Johannes Geyer <JGeyer@diw.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Graphing xttobit predictive values
Date   Fri, 20 Mar 2009 12:43:41 +0100

Apply with caution: You can make -postgr3- work with xttobit (I have no 
experience with xtlogit but it might also work) - you have to include a 
line in a subprogram that is called by -postgr3- and allow explicitly for 
the command -xttobit-  in -_pebase.ado-  and/or -_pebase2.ado- (simply 
copy the line for -tobit- and replace it by xttobit in these ado-files). 
However, I guess the authors might have had a reason not to include these 
random effects models in their program.

Johannes

owner-statalist@hsphsun2.harvard.edu schrieb am 20/03/2009 12:19:05:

> This is a repost. That is allowed, but nevertheless not a good idea. 
> 
> I think Erick was pretty clear about what he wanted, so that rewriting
> this would not have improved his chances of getting the answer he wants.
> 
> 
> My impression first time, and this time too, is that it's most unlikely
> that a canned Stata routine exists for this task. I guess that others
> who work in similar territory had vague thoughts along similar lines. 
> 
> I don't think Excel is _needed_ for this graph. I would expect that you
> could do it in Stata, but you'd need to write the code yourself. 
> 
> Nick 
> n.j.cox@durham.ac.uk 
> 
> Erick Guerrero, M.A., Ph.D. Candidate
> 
> I am trying to get a bar graph that draws from a regression 
> that has predicted values on the Y axis and bars on the x 
> axis representing two categorical variables i.e. 
> organizations offering  methadone tx.and comparing these 
> organizations based on wave number (1995 vs. 2005) holding 
> all other covariates constant at their mean. 
> 
> I used the xi3 command followed by postgr3, but the postgr3 
> command did not work for xttobit or xtlogit, random effects.
> 
> Is there a command like postgr3 that works with xttobit or 
> xtlogit holding all other covariates at their mean and that 
> graphs different categorical variates in the same graph?
> 
> Do I need to use excel to graph these relationships also?
> 
> 
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