Does this do what you want? n<-10 k<-5 expand.grid(rep(list(1:n),k)) However be carful, even this small example prouces matrix with100000 rows.
Best, Ales Ziberna ----- Original Message ----- From: "Globe Trotter" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <[email protected]> Sent: Friday, November 25, 2005 6:22 AM Subject: [R] OT: algorithm for generating all possible combinations withreplacement > Dear all, > > I have n objects and I want to select k of these with replacement. Do you > know > of code which would generate all the possible arrangements? Note that this > is > different from the selection of k of n objects without replacement and > wanting > to generate all the possible permutations. > > Any suggestions? Existing C code would be fantastic btw, but I would be > happy > with an algorithm. > > Best wishes! > > ______________________________________________ > [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 ______________________________________________ [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
