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Re: st: Estimate parameters from multiple datasets


From   Jennifer Nicoll Victor <[email protected]>
To   <[email protected]>
Subject   Re: st: Estimate parameters from multiple datasets
Date   Wed, 23 Oct 2002 09:08:22 -0500 (CDT)

Thanks for your help.  Saving vectors of results in Stata and importing
them into Excel allowed me to calculate the needed results.  :-)



On Tue, 22 Oct 2002, Thomas Gschwend wrote:

> correct! If I remember correctly than -miest- does not do the trick either,
> since clarify is based on it.
> I once had the same problem and ended up calculating the sdterrs "by hand",
> i.e. I set up an excel sheet, pasted in the estimation results ect.
>
> You can also save the estimation results in a seperate file (-parmest-) and
> compute the MI-stderrs in Stata.
> Thomas
>
>
> >Thomas:
> >
> >Thanks for the suggestion.  Clarify is definitely my friend and I use it
> >all the time.  However, in this case I have a model with robust standard
> >errors and a cluster option defined.  Clarify will not estimate a model
> >with these specifications (well... it estimates it but does not use robust
> >SEs or clustering).  Do you know of a way to use these options in
> >Clarify???   If so, I would be MOST grateful for the enlightenment.
> >
> >Thanks a bunch!
> >
> >-Jennifer
> >
> >----------------------------------------
> >Jennifer Nicoll Victor
> >Ph.D. Candidate in Political Science
> >Washington University in St. Louis
> >E-mail:    [email protected]
> >Homepage:  www.artsci.wustl.edu/~jnvictor
> >----------------------------------------
> >
> >
> >On Tue, 22 Oct 2002, Thomas Gschwend wrote:
> >
> > > clarify is your friend.
> > > type
> > > findit clarify
> > > or download it from Kings homepage
> > >
> > > Thomas
> > >
> > >
> > >
> > > >Stata Experts:
> > > >
> > > >I am writing to ask if anyone has do- code or guidance for generating
> > > >estimates from multiple datasets.  I have five datasets as generated
> > > >from a multiple imputation (MI) process to fill-in missing values.  I am
> > > >obtaining poisson estimates and need to generate a single parameter
> > > >estimate from the five datasets.
> > > >
> > > >King et al. (2001) provide guidance for the cofficients and their SEs.
> > > >The coefficients are easy enough, you just average them.  But the SEs are
> > > >more tricky (see equation (3) in King et al. 2001 APSR).
> > > >
> > > >Can anyone provide guidance in generating the code to compute a single SE
> > > >for each estimate from these five datasets?
> > > >
> > > >Thanks very much!
> > > >Jennifer
> > > >
> > > >----------------------------------------
> > > >Jennifer Nicoll Victor
> > > >Ph.D. Candidate in Political Science
> > > >Washington University in St. Louis
> > > >E-mail:    [email protected]
> > > >Homepage:  www.artsci.wustl.edu/~jnvictor
> > > >----------------------------------------
> > > >
> > > >
> > > >
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