R Under development (unstable) (2024-03-08 r86070 ucrt) -- "Unsuffered Consequences"
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> 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(scd)
> 
> repweights<-2*cbind(c(1,0,1,0,1,0), c(1,0,0,1,0,1), c(0,1,1,0,0,1),
+ c(0,1,0,1,1,0))
> scdrep<-svrepdesign(data=scd, type="BRR", repweights=repweights)
Warning message:
In svrepdesign.default(data = scd, type = "BRR", repweights = repweights) :
  No sampling weights provided: equal probability assumed
> 
> stopifnot(degf(scdrep)==3)
> 
> scdrep<-svrepdesign(data=scd, type="BRR", repweights=repweights, degf=4)
Warning message:
In svrepdesign.default(data = scd, type = "BRR", repweights = repweights,  :
  No sampling weights provided: equal probability assumed
> stopifnot(degf(scdrep)==4)
> 
> scdrep<-svrepdesign(data=scd, type="BRR", repweights=repweights, degf=2)
Warning message:
In svrepdesign.default(data = scd, type = "BRR", repweights = repweights,  :
  No sampling weights provided: equal probability assumed
> stopifnot(degf(scdrep)==2)
> 
> msg<-tryCatch(scdrep<-svrepdesign(data=scd, type="BRR",weights=~I(1000+0*ESA), repweights=repweights, combined.weights=FALSE,degf=10), 
+    warning=function(w) w)
> 
> stopifnot(inherits(msg,"warning"))
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   1.01    0.18    1.14