Re: [R] compare 2 vectors

From: Christophe Pallier <christophe_at_pallier.org>
Date: Thu, 28 Jun 2007 12:13:03 +0200

On 6/28/07, Joćo Fadista <Joao.Fadista_at_agrsci.dk> wrote:
>
> I would like to take out the values from one vector that are equal to the
> values in another vector.
>
> Example:
> a <- c(1,2,3,4,5,6,7,8,9)
> b <- c(3,10,20,5,6)
> b_noRepeats = c(10,20)
>
>

 b[!(b %in% intersect(a,b))]

See ?intersect

-- 
Christophe Pallier (http://www.pallier.org)

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Received on Thu 28 Jun 2007 - 10:51:49 GMT

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