OK Dimitris, you where right.
Thank you.
Regards
> From: kurtney...@hotmail.com
> To: d.rizopou...@erasmusmc.nl
> Date: Wed, 28 Jan 2009 10:02:06 +0000
> CC: r-h...@stat.math.ethz.ch
> Subject: Re: [R] Create a vector from matrix.
>
>
> Thanks Dimitris,
>
> But I wrote the example with letters just for you to understand the problem,
> actually the elements of matrix and vector contains characters, numbers of
> whatever. I need an algorithm to work in any case, whatever the elements are.
>
> I am not sure If I explained myself, if not, tell me please.
>
> Regards
>
> Patricia
>
>
> > Date: Wed, 28 Jan 2009 10:56:32 +0100
> > From: d.rizopou...@erasmusmc.nl
> > To: kurtney...@hotmail.com
> > CC: r-h...@stat.math.ethz.ch
> > Subject: Re: [R] Create a vector from matrix.
> >
> > try this:
> >
> > s1 <- letters[1:10]
> > e <- LETTERS[1:10]
> > q <- c("a","a","c","b","d","d","a","e","b","a")
> >
> > e[match(q, s1)]
> >
> >
> > I hope it helps.
> >
> > Best,
> > Dimitris
> >
> >
> > patricia garcía gonzález wrote:
> > > Hi all,
> > >
> > > I am trying to create a vector with the information contained in a
> > > determined matrix. Let me explain myself. I have a vector like this:
> > >
> > > q <- c("a","a","c","b","d","d","a","e","b","a")
> > >
> > > And a matrix like:
> > >
> > > s1 <- c("a","b","c","d","e","f","g","h","i","j")
> > > e <- c("A","B","C","D","E","F","G","H","I","J")
> > > s <- cbind( e, s1 )
> > >
> > >
> > > The matrix s contains the correspondences between vector q and e. And I
> > > want a vector of elements of vector e, but in the order of q. The result
> > > should be like:
> > >
> > > q <- c ("a","a","c","b","d","d","a","e","b","a")
> > >
> > > res<-c ("A","A","C","B","D","E","A","E","B","A")
> > >
> > > So I have to take the elements of vector e and make a matching with
> > > elements in vector q. Any idea?Sorry If I didn't explain myself well.
> > >
> > > Thanks
> > >
> > > Patricia
> > >
> > >
> > >
> > > _________________________________________________________________
> > >
> > >
> > > [[alternative HTML version deleted]]
> > >
> > > ______________________________________________
> > > R-help@r-project.org mailing list
> > > https://stat.ethz.ch/mailman/listinfo/r-help
> > > PLEASE do read the posting guide
> > > http://www.R-project.org/posting-guide.html
> > > and provide commented, minimal, self-contained, reproducible code.
> > >
> >
> > --
> > Dimitris Rizopoulos
> > Assistant Professor
> > Department of Biostatistics
> > Erasmus Medical Center
> >
> > Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
> > Tel: +31/(0)10/7043478
> > Fax: +31/(0)10/7043014
> >
>
> _________________________________________________________________
>
>
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>
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