On Thu, Jan 24, 2008 at 03:03:22PM -0500, David Afshartous wrote: > > All, > > I'm trying to obtain a one-liner to generate a certain sequence of > alternatign numbers. > > Consider: > > unlist(rep(list(c(1,2), c(3,4)), each = 6)) > [1] 1 2 1 2 1 2 1 2 1 2 1 2 3 4 3 4 3 4 3 4 3 4 3 4 > > I'd like the result to be as above but continue until 38. Of course, I > could hardcode this going up to c(37,38), but is there a more elegant way?
It is a matter of taste as well, but i think as.vector(apply(matrix(1:38, nr=2), 2, rep, 6)) is not bad. Gabor > > Thanks! > David > > ______________________________________________ > 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. -- Csardi Gabor <[EMAIL PROTECTED]> UNIL DGM ______________________________________________ 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.
