Hi, On Sun, Feb 19, 2012 at 7:47 PM, <elliot.we...@virgin.net> wrote: > Hello, just a couple of short questions that would be much appreciated. > > Is there a way of putting a vectors inputs in size order from low to high?
See: ?order, ?sort > And if I had a random list or TRUE and FALSE, is there a way of finding the > 100th TRUE? Let's make this more tractable -- say I want to find the 3rd TRUE in: x <- c(TRUE, FALSE, TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE) Then: which(cumsum(x) == 3) ## [1] 7 HTH, -steve -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact ______________________________________________ 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.
