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Re: st: suest and pweights

From   Stas Kolenikov <>
Subject   Re: st: suest and pweights
Date   Tue, 27 Jul 2010 21:54:38 +0100

Because it may not be able to tell if you had the same sample and the
same weights for two commands. It's a precaution measure. Note however
that if you are reasonably knowledgeable to have specified -svy-, then
-suest- should work (at least that's my reading of the help file). An
occasion where you might have -pweight- without other associated
complex survey features (stratification and clustering) is a
relatively odd thing, so basically -suest- invites you to rethink
whether what you are doing is statistically correct, to begin with.

On Tue, Jul 27, 2010 at 7:44 PM, Keith Finlay <> wrote:
> Hello,
> Could someone please explain why -suest- is not compatible with
> sampling weights (pweight)? I can't seem to find the reason in the
> manual.
> From suest.ado (Stata/MP v11.1), line 146:
> if !`is_svy' & "`wtypei'" == "pweight" {
>     di as err ///
>     "model `name' was estimated with pweights, " ///
>     "you should re-estimate using iweights"
>     exit 322
> }
> Thank you in advance,

Stas Kolenikov, also found at
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