On Mon, Feb 02, 2009 at 09:44:28AM -0500, Shaun Grannis wrote:
> I'm trying to concatenate values from two columns in a data frame. For
> example, I have the following data.frame:
>
> C1 C2 C3 C4 C5
> A B *F C* Q
> G H *I J* T
> K D *R S* E
> P L *M N* O
>
> I'd like to concatenate text from columns C3 and C4, to yield either a
> list or vector, like so:
>
> NewCol
> FC
> IJ
> RS
> MN
assuming your data frame is named foo:
foo$NewCol <- paste(foo$C3, foo$C4, sep='')
cu
Philipp
--
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany
http://mips.gsf.de/staff/pagel
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