Re: [Rd] setdiff bizarre

From: Wacek Kusnierczyk <Waclaw.Marcin.Kusnierczyk_at_idi.ntnu.no>
Date: Tue, 02 Jun 2009 18:10:57 +0200

Stavros Macrakis wrote:
>
> '1:3' %in% data.frame(a=2:4,b=1:3) # TRUE
>

utterly weird. so what would x have to be so that

    x %in% data.frame('a')
    # TRUE hint:

    '1' %in% data.frame(1)
    # TRUE vQ



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