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st: Svy subsamples


From   Richard Williams <Richard.A.Williams.5@ND.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: Svy subsamples
Date   Wed, 21 Nov 2007 07:48:15 -0500

I know that when using the svy: prefix, you should use the subpop option when analyzing subsamples, rather than using if or dropping cases. However, I have a student who has this monstrous data set and she only wants to analyze a small subset of it. I'm afraid that if she has to keep all these unused cases in her file, her not-so-powerful computer is going to have problems.

Is there a legit way to extract only the cases you want? Is it all that horrible if you extract cases rather than use subpop?

Thanks for any info. And Happy Thanksgiving to all those who celebrate it.

-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME: (574)289-5227
EMAIL: Richard.A.Williams.5@ND.Edu
WWW: http://www.nd.edu/~rwilliam

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