On 03-03-2012, at 21:27, C W wrote: > I want to get random numbers from Gamma distribution, when I do > > rgamma(1.95, 2) > [1] 2.313977 > > but, > rgamma(2, 2) > [1] 2.7985347 0.9415515 > > Why do I get two random numbers? It's the same density function, I don't > see why the output should be a pair of numbers, is this explained in the > documentation?
?rgamma explains it all. First argument is n: number of observations. 1.95 is truncated. Berend ______________________________________________ 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.