Am 1 Nov 2006 um 14:49 hat Antje geschrieben:
Date sent: Wed, 01 Nov 2006 14:49:43 +0100
From: Antje <[EMAIL PROTECTED]>
To: R-help@stat.math.ethz.ch
Subject: [R] extract values from a vector
> Hello,
>
> I'm looking for a solution for the following problem:
> I have two vectors
>
> V1 <- c("apple","honey","milk","bread","butter")
> V2 <- c("bread","milk")
>
> now, I would like to know for each element in V1 if it's equal to one
> of the elements in V2 I could do: which(V1 == V2[1] | V1 == V2[2])
>
> but what if I don't know the length of V2 and it's content???
>
> V1%in%V2
[1] FALSE FALSE TRUE TRUE FALSE
Is this what you are looking for?
HTH,
Bernd
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