
R version 3.1.0 (2014-04-10) -- "Spring Dance"
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Platform: x86_64-apple-darwin13.1.0 (64-bit)

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> ## 
> ## Check that multistage samples still work
> ##
> library(survey)

Attaching package: 'survey'

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

    dotchart

> example(mu284)

mu284> data(mu284)

mu284> (dmu284<-svydesign(id=~id1+id2,fpc=~n1+n2, data=mu284))
2 - level Cluster Sampling design
With (5, 15) clusters.
svydesign(id = ~id1 + id2, fpc = ~n1 + n2, data = mu284)

mu284> (ytotal<-svytotal(~y1, dmu284))
   total     SE
y1 15080 2274.3

mu284> vcov(ytotal)
        y1
y1 5172234
> 
> 
> proc.time()
   user  system elapsed 
  0.167   0.024   0.202 
