I have recently made a silly screwup by applying is.finite() to a
character vector:
> is.finite(c("a", "b"))
[1] FALSE FALSE
This does work with factors of course (as they are integer underneath)
I wonder if a fix could be put in so that it either reports an error when
applied to a character vector - or, perhaps better, act as is.na()
thank you
Vladimir Dergachev
PS test on R 2.5.0, 2.3.1
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