On Mon, Apr 22, 2013 at 7:21 PM, Ayyappa <ayyapp...@gmail.com> wrote: > Dear group, > > I want to generate a vector of 10 elements that always has 20% zeroes, but > with a random ordering of zeroes and ones. Can you please suggest a function > to do that in R? I tried 'sample' function but the 20% zeros was not always > guaranteed.
v <- numeric(10) # Make a vector of 10 elements v[sample(10, 2)] <- 1 # Set two random elements to one Best, Michael ______________________________________________ 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.
