read up on ?sample
Dan Daniel Nordlund Bothell, WA USA > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Alaios > Sent: Monday, January 20, 2014 10:12 PM > To: Alaios; R-help@r-project.org > Subject: Re: [R] Select 5 identical numbers > > Hi, > I want from a vector containing has like 1000 elements to select X of it > randomly but with never selecting the same element again. Each one should > be unique element of the vector. > Is this more precise now? > > Regards > Alex > > > > > On Monday, January 20, 2014 7:54 PM, Alaios <ala...@yahoo.com> wrote: > > Dear all, > I would like to select from a vector of 10 elements, 5 of those that are > identical. > How can I do that in R? I guess one way would be to taking random numbers > and see if that appeared again. Is though there a more straightforward > approach? > > Regards > Alex > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.