[R] Joining variables

Michael Dewey med at aghmed.fsnet.co.uk
Thu May 25 18:47:30 CEST 2006


At 21:01 24/05/2006, mark.lopresti at thomson.com wrote:
>Hello,
>
>Although I cannot speak for the original individual posting this 
>question but I would like to see an example, if possible, of how to 
>construct a factor of several factors.

?interaction (assuming I understand you correctly)


>I think this would be more efficient than "paste" if such a 
>procedure were possible and, of course, would also answer the 
>postee's original question.
>
>Many thanks,
>
>Mark LoPresti
>Thomson Financial/Research Group
>
>-----Original Message-----
>From: r-help-bounces at stat.math.ethz.ch
>[mailto:r-help-bounces at stat.math.ethz.ch]On Behalf Of Berton Gunter
>Sent: Wednesday, May 24, 2006 2:54 PM
>To: 'Guenther, Cameron'; r-help at stat.math.ethz.ch
>Subject: Re: [R] Joining variables
>
>
>What does "combination of both" mean exactly. I can think of two
>interpretations that have two different answers. If you give a small example
>(as the posting guide suggests) it would certainly help me provide an
>answer.
>
>-- Bert Gunter
>Genentech Non-Clinical Statistics
>South San Francisco, CA
>
>
>
>
>
> > -----Original Message-----
> > From: r-help-bounces at stat.math.ethz.ch
> > [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of
> > Guenther, Cameron
> > Sent: Wednesday, May 24, 2006 11:46 AM
> > To: r-help at stat.math.ethz.ch
> > Subject: [R] Joining variables
> >
> > Hello,
> >
> > If I have two variables that are factors or characters and I want to
> > create a new variable that is the combination of both what
> > function can
> > I use to accomplish this?
> >
> > Ex.
> >
> > Var1                  Var2
> > SA100055113           19851113
> >
> > And I want
> >
> > NewVar
> > SA10005511319851113
> >
> > Thanks in advance.
> >
> > Cameron Guenther, Ph.D.
> > Associate Research Scientist
> > FWC/FWRI, Marine Fisheries Research
> > 100 8th Avenue S.E.
> > St. Petersburg, FL 33701
> > (727)896-8626 Ext. 4305
> > cameron.guenther at myfwc.com
> >
> > ______________________________________________
> > R-help at stat.math.ethz.ch mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide!
> > http://www.R-project.org/posting-guide.html
> >
>
>______________________________________________
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>PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

Michael Dewey
med at aghmed.fsnet.co.uk
http://www.aghmed.fsnet.co.uk/home.html



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