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Re: st: combining surveys

From   Stas Kolenikov <>
Subject   Re: st: combining surveys
Date   Sun, 5 Feb 2012 22:51:44 -0500

Yes, you can combine the surveys, and you would want to declare year
as a super-strata.

On Sun, Feb 5, 2012 at 8:30 PM, new user
<> wrote:
> dear statalist
> i have two datasets referred to two different years and collected
> through surveys where each person was interview only in one occasion.
> apart from years and participants, surveys are identical for all the
> variable they include.
> can i combine the surveys (introducing a year dummy)?
> i understand this seems a very basic question, but i would appreciate an answer.

Stas Kolenikov, also found at
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