Correct, I didn't notice that the coma was inside the cbind(). Sorry... --- Rolf Turner <[EMAIL PROTECTED]> wrote:
> > On 24/08/2007, at 12:51 PM, Moshe Olshansky wrote: > > > This won't work since it produces a matrix (try > this). > > On the contrary, Patrick's solution is correct. I > tried it. It > works just fine. > > cheers, > > Rolf Turner > > > What should work is > > x[(1:nrow(x)) + nrow(x)*(v-1)] > > > > --- Johannes Graumann <[EMAIL PROTECTED]> > > wrote: > > > >> Thanks! > >> > >> Joh > >> > >> On Thursday 23 August 2007 12:01:50 you wrote: > >>> x[cbind(1:nrow(x), the.vector)] > >>> > >>> Patrick Burns > >>> [EMAIL PROTECTED] > >>> +44 (0)20 8525 0696 > >>> http://www.burns-stat.com > >>> (home of S Poetry and "A Guide for the Unwilling > S > >> User") > >>> > >>> Johannes Graumann wrote: > >>>> Hello, > >>>> > >>>> Imagine a data frame like so: > >>>> > >>>> Intensity0 Intensity1 > >>>> 1 767432.1 451743.4 > >>>> 2 3998988.0 4642145.0 > >>>> 3 818974.6 552315.8 > >>>> > >>>> and a vector like so: > >>>> > >>>> [1] 1 2 1 > >>>> > >>>> How can I get R to produce a vector that > contains > >> the value in one column > >>>> or the other depending on the vector? The > result > >> should look like > >>>> > >>>> [1] 767432.1 4642145.0 818974.6 > >>>> > >>>> Thanks for any hints! > >>>> > >>>> Joh > >>>> > >>>> ______________________________________________ > >>>> R-help@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 and > >> provide commented, > >>>> minimal, self-contained, reproducible code. > >> > >> > >>> ______________________________________________ > >> R-help@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 > >> and provide commented, minimal, self-contained, > >> reproducible code. > >> > > > > ______________________________________________ > > R-help@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 > > and provide commented, minimal, self-contained, > reproducible code. > > > ###################################################################### > Attention: > This e-mail message is privileged and confidential. > If you are not the > intended recipient please delete the message and > notify the sender. > Any views or opinions presented are solely those of > the author. > > This e-mail has been scanned and cleared by > MailMarshal > www.marshalsoftware.com > ###################################################################### > ______________________________________________ R-help@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 and provide commented, minimal, self-contained, reproducible code.