[Rd] doesn't recognise ~ (PR#8096)

lvr@curame.com lvr at curame.com
Thu Aug 25 16:56:27 CEST 2005

Full_Name: Leo van Romunde
Version: 2, 1, 0
OS: Win XP prof. sp1
Submission from: (NULL) (

When we type the following R gives an error:

> a = c(1, 2)
> b = c(1, 2)
> boxplot (a ~ b)
Error in list(a, b) : invalid 'envir' argument

When we do exactly the same on another machine (Win2000) it works correctly.
Any suggestions?

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