[R] table lookup n R

[Anne]

Thank you! It should do the job... (it was jeust a question to know where to
look!)
Anne

----- Original Message ----- 
From: "Adaikalavan Ramasamy" <ramasamy at cancer.org.uk>
To: "Anne" <anne.piotet at urbanet.ch>
Sent: Tuesday, July 13, 2004 2:45 PM
Subject: Re: [R] table lookup n R


> See match(), %in% and related functions.
>
> Description:
>
> 'match' returns a vector of the positions of (first) matches of its
> first argument in its second.
>
> '%in%' is a more intuitive interface as a binary operator, which returns
> a logical vector indicating if there is a match or not for   its left
> operand.
>
>
>
> On Tue, 2004-07-13 at 13:34, Anne wrote:
> > Hello R helpers!
> > I looked  but did not find a table-lookup R-utility. I could use a loop
to do the job (old FORTRAN/C habits die hard) but if I have a big table in
which I have to search for the values corresponding to a vector, I end up
logically with a double loop.
> > Is there already such a utility? Otherwise, is there a way without
loops?
> >
> > Thanks as always
> > Anne
> > ----------------------------------------------------
> > Anne Piotet
> > Tel: +41 79 359 83 32 (mobile)
> > Email: anne.piotet at m-td.com
> > ---------------------------------------------------
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>