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Re: st: svy: countries as psu


From   "Stas Kolenikov" <skolenik@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: svy: countries as psu
Date   Thu, 23 Oct 2008 11:01:16 -0500

As far as I understand, you did not sample the countries. Rather
whichever participating countries were (a convenience sample, or if
you are lucky to have this survey in all those countries, a census of
the country population), the samples were taken independently in those
countries. So the countries act as (super) strata, and whatever PSUs
were taken in those countries would be the PSUs to go into the design
statement. What you are thinking of (the big differences between West
and East) would be subpopulations, and you can analyze those
separately using -subpop()- option of -svy- commands.

On 10/23/08, b.todosijevic@utwente.nl <b.todosijevic@utwente.nl> wrote:
> Dear Stata users:
>
>  I need to analyze a comparative data set (World Values Survey),
>  consisting of a number of country samples, using svy: commands.
>  I want to obtain various estimated for countries grouped as Eastern or
>  Western Europe.
>
>  I wonder if it would be appropriate to specify countries as psu's
>  (clusters), and regions as strata (East-West) in svyset command.
>  E.g., svyset countries [pw=weight], strata(west).
>
>  Thanks,
>  Bojan Todosijevic
>
>
>
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>


-- 
Stas Kolenikov, also found at http://stas.kolenikov.name
Small print: I use this email account for mailing lists only.
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