Hello, Rui, it does, indeed!
thanks, Simone 2014-04-10 20:55 GMT+02:00 Rui Barradas <ruipbarra...@sapo.pt>: > Hello, > > Use ?sample. > > sample(x, 1, prob = x) > > Hope this helps, > > Rui Barradas > > Em 10-04-2014 19:49, Simone Gabbriellini escreveu: > >> Hello List, >> >> I have an array like: >> >> c(4, 3, 5, 4, 2, 2, 2, 4, 2, 6, 6, 7, 5, 5, 5, 10, 10, 11, 10, >> 12, 10, 11, 9, 12, 10, 36, 35, 36, 36, 36, 35, 35, 36, 37, 35, >> 35, 38, 35, 38, 36, 37, 36, 36, 37, 36, 35, 35, 36, 36, 35, 35, >> 36, 35, 38, 35, 35, 35, 36, 35, 35, 35, 6, 5, 8, 6, 6, 7, 1, >> 7, 7, 8, 9, 7, 8, 7, 7, 13, 13, 13, 14, 13, 13, 13, 14, 14, 15, >> 15, 14, 13, 14, 39, 39, 39, 39, 39, 39, 41, 40, 39, 39, 39, 39, >> 40, 39, 39, 41, 41, 40, 39, 40, 41, 40, 41, 40, 40, 40, 39, 41, >> 39, 39, 39, 39, 40, 39, 39, 40, 40, 39, 39, 39, 1, 4, 3, 4) >> >> I would like to pick up an element with a probability proportional to >> the element value, thus higher values should be picked up more often >> than small values (i.e., picking up 38 should be more probable than >> picking up 3) >> >> Do you have any idea on how to code such a rich-get-richer mechanism? >> >> Best regards, >> Simone >> > -- ----------------------------------------------------------------- Simone Gabbriellini, PhD Post-doctoral Researcher ANR founded research project "DIFFCERAM" GEMASS, CNRS & Paris-Sorbonne. mobile: +39 340 39 75 626 email: simone.gabbriell...@cnrs.fr ______________________________________________ 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.
