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Re: st: nested clusters with svy command


From   Matt Spittal <[email protected]>
To   <[email protected]>
Subject   Re: st: nested clusters with svy command
Date   Fri, 26 Jun 2009 09:59:12 +1000

Gaby,

A very good explanation of of what's going on here is given in the following
Statalist post.

    http://www.stata.com/statalist/archive/2006-06/msg00074.html

-- Matt
[email protected]




On 25/6/09 6:05 PM, "Ana Gabriela Guerrero Serdan"
<[email protected]> wrote:

> Hi, 
> 
> I am doing some regressions and need to correct my standard errors for any
> possible clustering effects (municipalities, districts).
> 
> Reading Austin's presentation  (http://repec.org/usug2007/crse.pdf), it says
> that I can use svy commands in stata. I have tried the following and I get:
> 
> svyset goverurban || clusternum
> Note: stage 1 is sampled with replacement; all further stages will be ignored
> 
>       pweight: <none>
>           VCE: linearized
>   Single unit: missing
>      Strata 1: <one>
>          SU 1: goverurban
>         FPC 1: <zero>
> 
> Which means Stata ignores the second clustering effects (clusternum:
> districts)? 
> 
> Has anyone had a different outcome? So it is not possible to correct for
> nested clusters? 
> 
> 
> thanks, 
> Gaby 
> 
> 
> 
> 
>       
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