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Re: st: IV test with svy prefix


From   Stas Kolenikov <[email protected]>
To   [email protected]
Subject   Re: st: IV test with svy prefix
Date   Thu, 7 Jun 2012 14:48:58 -0500

You can try to specify -force- option with -hausman-. The problem with
-svy- data though is that the plain -regress- is no longer
asymptotically efficient, so the difference of the two variance
matrices may not be positive definite even in the population.

On Thu, Jun 7, 2012 at 1:20 PM, ming li <[email protected]> wrote:
> Dear statalist,
>
> I'm using instrumental variable with svy prefix. I find both overid
> and hausman test cannot be used with svy prefix. Do you have any idea
> about how to conduct IV tests with svy prefix?
>
> Many thanks!
>
> Ming
> *
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-- 
---- Stas Kolenikov
-- http://stas.kolenikov.name
---- Senior Survey Statistician, Abt SRBI
-- Opinions stated in this email are mine only, and do not reflect the
position of my employer

*
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