R Under development (unstable) (2026-02-23 r89457 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

> 
> 
> # Load dataset
> data(scd)
> 
> # Create rep weights
> 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, 
+   combined.weights = FALSE,
+   degf = 2
+ )
Warning message:
In svrepdesign.default(data = scd, type = "BRR", repweights = repweights,  :
  No sampling weights provided: equal probability assumed
> 
> 
> df1<-scdrep$degf
> 
> scdsub<-subset(
+   x = scdrep,
+   arrests >= 200
+ )
> 
> 
> stopifnot(identical(scdrep$degf, scdsub$degf))
> 
> proc.time()
   user  system elapsed 
   0.96    0.09    1.04