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Re: st: sensitivity analysis following xtgee?- thanks


From   Allison.Milner@student.griffith.edu.au
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: sensitivity analysis following xtgee?- thanks
Date   Wed, 29 Apr 2009 20:29:20 +1000

Dear Maarten,
Thanks for this advice. Much appreciated.
Allison

----- Original Message -----
From: Maarten buis <maartenbuis@yahoo.co.uk>
Date: Wednesday, April 29, 2009 6:50 pm
Subject: Re: st: sensitivity analysis following xtgee?
To: statalist@hsphsun2.harvard.edu

> 
> --- On Wed, 29/4/09, Allison Milner wrote:
> > I am trying to better understand sensitivity analysis
> > following my XTGEE estimation for 73 countries. So far, I
> > have tried to include alternate control variables, regional
> > dummy variables (geographic location), and year dummy
> > variables into the analysis. I have also tried to use a
> > different correlation structure (eg. ar) in the xtgee and
> > also use a FE and RE model. Is there anything other ways in
> > which I can conduct sensitivity analysis? Is there something
> > I am missing/doing wrong?
> 
> You can always add more and different models to a sensitivity 
> analysis, so the trick is not to try to be exhaustive, because 
> than you will always fail. Instead you should define a set of 
> potential problems with your models that you care about and 
> from that derive a set of models that make reasonable but 
> different assumptions about these problems. When writing it up
> you should make the argument that these models capture a 
> reasonable range of possible assumptions concerning the problems 
> you care about.
> 
> -- Maarten
> 
> -----------------------------------------
> Maarten L. Buis
> Institut fuer Soziologie
> Universitaet Tuebingen
> Wilhelmstrasse 36
> 72074 Tuebingen
> Germany
> 
> http://home.fsw.vu.nl/m.buis/
> -----------------------------------------
> 
> 
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