R Under development (unstable) (2026-02-23 r89457 ucrt) -- "Unsuffered Consequences"
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> ##
> ## internal multiframe checks of subpopulations
> ##
> 
> 
> library(survey)
Loading required package: grid
Loading required package: Matrix
Loading required package: survival

Attaching package: 'survey'

The following object is masked from 'package:graphics':

    dotchart

> 
> data(phoneframes)
> A_in_frames<-cbind(1, DatA$Domain=="ab")
> B_in_frames<-cbind(DatB$Domain=="ba",1)
> 
> Bdes_pps<-svydesign(id=~1, fpc=~ProbB, data=DatB,pps=ppsmat(PiklB))
> Ades_pps <-svydesign(id=~1, fpc=~ProbA,data=DatA,pps=ppsmat(PiklA))
> mf_pps<-multiframe(list(Ades_pps,Bdes_pps),list(A_in_frames,B_in_frames),theta=0.7417399) 
> 
> glm1<-svyglm(Lei~0+Domain, design=mf_pps)
> m1a <- svymean(~Lei, subset(mf_pps, Domain=="a"))
> stopifnot(all.equal(as.vector(coef(glm1))[1], as.vector(coef(m1a))))
> stopifnot(all.equal(as.vector(SE(glm1)[1]), as.vector(SE(m1a))))
> 
> 
> stopifnot(all.equal(coef(svymean(~Lei, subset(mf_pps, Domain=="a"))),
+                     coef(svymean(~Lei, subset(Ades_pps, Domain=="a")))))
> 
> stopifnot(all.equal(as.vector(SE((svymean(~Lei, subset(mf_pps, Domain=="a"))))),
+                     as.vector(SE(svymean(~Lei, subset(Ades_pps, Domain=="a"))))))
> 
> 
> glm1<-svyglm(Lei~0+Domain, design=mf_pps)
> m1a <- svymean(~Lei, subset(mf_pps, Domain=="a"))
> all.equal(as.vector(coef(glm1))[1], as.vector(coef(m1a)))
[1] TRUE
> all.equal(as.vector(SE(glm1)[1]), as.vector(SE(m1a)))
[1] TRUE
> 
> 
> m2 <- svymean(~Lei, subset(mf_pps, Domain %in% c("a","ab")))
> m2a<-svymean(~Lei, Ades_pps)
> 
> 
> proc.time()
   user  system elapsed 
   0.96    0.20    1.15