Re: st: random-slope model xtnbreg or other in stata

[Michael Norman Mitchell <Michael.Norman.Mitchell@gmail.com>]

Dear Kevin

  Based on the link http://www.unc.edu/~skolenik/stata/gllamm-demo.html 
it seems that gllamm (within Stata) will not fit such a model.

  HLM will fit random slope poisson models, but I do not see anything 
about it fitting random slope negative binomial models.

  I am pretty sure Mplus will fit random slope negative binomial 
models, although I have never done so. The link 
http://www.statmodel.com/verhistory.shtml indicates Mplus does fit 
negative binomial models, and for Mplus it is common that pretty much 
any parameter can be treated as a random slope.

  You can download a demo version of Mplus at 
http://www.statmodel.com/demo.shtml and you can see example Mplus 
programs at http://www.ats.ucla.edu/stat/Mplus/dae/ and annotated 
outputs at http://www.ats.ucla.edu/stat/mplus/output/default.htm .

  Best luck,

Michael N. Mitchell
See the Stata tidbit of the week at...
http://www.MichaelNormanMitchell.com

On 2010-04-23 5.38 PM, Kevin Wolff wrote:
> I am currently trying to run multilevel count models using the xtnbreg
> command and cannot seem to find any resources that use this
> command to estimate a random-slope model. Is there a package in stata
> which is capable of running a negative binomial regression and
> estimating a random-slope or random-coefficient model? If this is not
> possible in stata,
> are there any other statistical packages that anyone is aware of that would
> be capable of estimating this model?
>
> Thank you very much for your time.
>
> Kevin Wolff
>
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