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Re: st: -svy: ivregress- and -suest-


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: -svy: ivregress- and -suest-
Date   Fri, 5 Aug 2011 22:22:42 -0400

William Buchanan <william@williambuchanan.net>:
See
http://www.stata.com/statalist/archive/2009-11/msg01485.html
and note that the svy prefix is giving you essentially pweights +
cluster, but if you use aweights in each model and then cluster at the
-suest- stage, you should get the correct answer.

On Fri, Aug 5, 2011 at 10:00 PM, William Buchanan
<william@williambuchanan.net> wrote:
> Hello,
>
> I was wondering if there were any simple ways to work around the comparability issues of suest with IV Regression?  I've fit seven models to my data and am hoping to test whether the independent variables are significantly different from each other.  I am running Stata v12 and have Stata v11 running on Windows 7 (64 bit).
>
> In general my syntax is:
> svy linear: ivregress liml DV [covariates] (IV= instruments)
> est sto modelX
>
> Any thoughts would be appreciated.  I didn't know if there might be issues due to the weighting of the survey data, but any input would be greatly appreciated.
>
> Thanks,
> Billy Buchanan

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