Try this: m <- matrix(rnorm(12), ncol = 4) m[,c(FALSE, TRUE)]
On Wed, Mar 9, 2011 at 11:20 AM, Nixon, Matthew <m.r.ni...@exeter.ac.uk>wrote: > Hi, > > This might seem like a simple question but at the moment I am stuck for > ideas. The columns of my matrix in which some data is stored are of this > form: > > X1 Y1 X2 Y2 X3 Y3 ... Xn Yn > > with n~100. I would like to look at just the X values (i.e. odd column > numbers). Is there an easy way to loop round extracting only these columns? > > Any help would be appreciated. > > Thank you. > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.
