Message-ID: <554d388ccd394e6fb23cf8132cf8a9bc@SRVEXCHCM1302.precheza.cz>
Date: 2018-11-19T14:53:12Z
From: PIKAL Petr
Subject: unique() duplicate() not what i am looking for
In-Reply-To: <5e592250-b19c-5610-1ea7-cb981182aabd@krueger-family.de>
Hi
and maybe sloightly less complicated
setdiff(Dup,Dup[duplicated(Dup)])
Cheers
Petr
> -----Original Message-----
> From: R-help <r-help-bounces at r-project.org> On Behalf Of Knut Krueger
> Sent: Monday, November 19, 2018 3:42 PM
> To: r-help at r-project.org >> r-help mailing list <r-help at r-project.org>
> Subject: [R] unique() duplicate() not what i am looking for
>
> It should be simple but i do not find the right keywords:
>
>
> Dup = c(1,2,3,4,1,2,3,5)
>
> I need 4,5 as result
>
> unique(Dup) gives me [1] 4 1 2 3 5
>
> duplicated(Dup) gives me
> [1] FALSE FALSE FALSE FALSE TRUE TRUE TRUE FALSE
>
> I need
> [1] TRUE TRUE TRUE FALSE TRUE TRUE TRUE FALSE
>
>
> Kind regards Knut
>
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