
R Under development (unstable) (2019-04-23 r76417) -- "Unsuffered Consequences"
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> 
> library("inum")
> 
> ### there was a warning; reported by Fabian Scheipl
> x <- 1:2 + .1
> inum(data.frame(x = x))
$x
[1] 1.1 2.1
Levels: 1.1 2.1

attr(,"class")
[1] "inum"
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
  0.268   0.044   0.309 
