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| From | Steve Samuels <sjsamuels@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: one stage cluster with preliliminary stratification |
| Date | Wed, 30 Jan 2013 17:14:30 -0500 |
Subir You told us what what analysis you wish to do, but if it's descriptive, it will be easy to add the fpc() option, if appropriate, to Stas's -svyset- statements. See the help for -svyset-. Steve On Jan 30, 2013, at 9:30 AM, Stas Kolenikov wrote: *** assuming n1, n2, m1, m2, N are contained in the identically named scalars gen wgt = scalar(n1)/10 if stratum==1 replace wgt = scalar(n2)/8 if stratum==2 assert !missing(wgt) * cluster size does not matter *** option 1: poststrata gen pstrata = 1 gen popsize = scalar(N) svyset cluster [pw=wgt], strata( stratum ) poststrata( pstrata ) postweight( popsize ) *** option 2: rescale weights sum wgt generate wgt2 = wgt*scalar(N)/r(sum) svyset cluster [pw=wgt2], strata( stratum ) -- -- 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 On Wed, Jan 30, 2013 at 6:32 AM, Subir Mitra <subir@nddb.coop> wrote: > ONE STAGE CLUSTER WITH PRELIMINARY STRATIFICATION -I stratify population N (members living in clusters , which is known) into 2 strata and randomly pick up 10 clusters from 1st stratum and 8 clusters from 2nd stratum (stratum population n1 & n2 and total clusters m1 & m2 in both stratum also known) and all members of the clusters are sampled. > > Any guidance to me to find the svyset command in this case, assuming N, m1,m2,n1 and n2 known and I want to make use of it? (The problem is from Schaeffer et al 1996-328 problem 8.19) > > * > * 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/ * * 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/ * * 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/