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From | Stas Kolenikov <skolenik@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: svyset |
Date | Fri, 2 Nov 2012 17:20:52 -0500 |
> So, if the systematc procedure had worked with replacement, I could simply use: > > svyset psu_var [pw=hhweights_var], strata(strata1_var) This would be arguably the most conservative approximation that would give the largest standard errors. > I don't need to create strata2. Well, you can try and see if your standard errors change my much. They should go down a little bit, may be by some 5-10%. > I was wondering if I have to use the fpc. I know that it is neccesary > to use it with systematic procedure. Now I am confused because the > first stage is a combined procedure (PPS + systematic) and the second > stage is a systematic procedure. Systematic sampling basically cannot be cured. I don't see how adding fpc to it would be justified. -- -- Stas Kolenikov, PhD, PStat (SSC) :: http://stas.kolenikov.name -- Senior Survey Statistician, Abt SRBI :: work email kolenikovs at srbi dot com -- Opinions stated in this email are mine only, and do not reflect the position of my employer * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/