Hi Dimitri,
See either ?any,  ?"%in%", or  ?intersect

any(x == 2)
# [1] TRUE

HTH,
Jorge

On Wed, Sep 23, 2009 at 11:37 AM, Dimitri Liakhovitski <> wrote:

> Dear R'rs,
>
> is there a function that checks if a given vector contains a certain value.
> E.g., x<-c(1,2,3,4).
> How can I get a TRUE or FALSE for whether x contains a 2?
>
> --
> Dimitri Liakhovitski
> Ninah.com
> Dimitri.Liakhovitski@ninah.com
>
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