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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