R Under development (unstable) (2026-02-23 r89457 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2026 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> ##
> ## test multiframe results against results from the Frames2 package
> ##
> 
> 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))
> 
> ## optimal constant (Hartley) weighting
> mf_pps<-multiframe(list(Ades_pps,Bdes_pps),list(A_in_frames,B_in_frames),theta=0.7417399) 
> t1<-svytotal(~Lei,mf_pps)
> stopifnot(all.equal(as.vector(coef(t1)), 53259.86947))
> stopifnot(all.equal(as.vector(vcov(t1)), 1652534, tol=1e-4))
> 
> ## dividing by the expected number of selections (BKA or HH estimator)
> Awts<-cbind(1/DatA$ProbA, ifelse(DatA$ProbB==0,0,1/DatA$ProbB))
> Bwts<-cbind(ifelse(DatB$ProbA==0,0,1/DatB$ProbA),1/DatB$ProbB )
> 
> mf_pps2<-multiframe(list(Ades_pps,Bdes_pps),list(Awts,Bwts),estimator="expected") 
> t2<-svytotal(~Lei,mf_pps2)
> stopifnot(all.equal(as.vector(coef(t2)), 50953.07595))
> stopifnot(all.equal(as.vector(vcov(t2)), 4116803, tol=1e-4))
> 
> proc.time()
   user  system elapsed 
   0.96    0.12    1.07