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Re: st: stata and weighting


From   smerryman@kc.rr.com
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: stata and weighting
Date   Thu, 11 Mar 2004 06:56:14 -0600

The FAQ  "Why doesn't summarize accept pweights? What does summarize calculate when you use aweights? " at http://www.stata.com/support/faqs/stat/supweight.html may illuminate some of the logic.

Scott


----- Original Message -----
From: Stephen McKay <S.McKay@bristol.ac.uk>
Date: Thursday, March 11, 2004 3:52 am
Subject: st: stata and weighting

> Many (perhaps most) social survey datasets come with non-integer 
> weights, reflecting a mix of the sampling schema (e.g. one person 
> per 
> household randomly selected), and sometimes non-response, and 
> sometimes 
> calibration/grossing factors too.  Increasingly, in the name of 
> confidentiality, data depositors are reluctant to identify too 
> much 
> about the sampling points -- thus making PSU identification not 
> always 
> possible [and hence svy approaches in stata not really practicable].
> 
> At present, stata will let you use some types of weights, some of 
> the 
> time, on some types of command.  The logic of which is hard to fathom.
> 
 <snip>

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