sum(test == 0) On Thu, Jan 3, 2013 at 5:49 PM, Hermann Norpois <[email protected]> wrote: > Hello, > > I wish to count how often zero (0) appears in the vector test. > > test > [1] 1 1 1 1 1 1 2 1 1 1 0 2 0 1 1 0 0 0 1 1 1 0 1 2 1 1 1 1 1 1 > > > I think of something like ... > >> sapply (test, function (x) if (x==0 ... > > ... but actually I dont know how to carry on. > > Could anybody give me a hint? > > Thanks Hermann >
--- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ [email protected] 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.

