For permutations a couple of options are 'permutations' in package gtools, and 'urnsamples' in package prob
hth, Kingsford Jones On Fri, Mar 13, 2009 at 6:35 AM, Dale Steele <dale.w.ste...@gmail.com> wrote: > I'm doing a permutation test and need to efficiently generate all > distinct subsets of size r from a set of size n. P 138 of MASS (4th > ed) notes that "The code to generate this efficiently is in the > scripts". I was unable to find this code on quick inspection of the > \library\MASS\scripts file for Chapter 5 and 'subsets' is not a > function in MASS. > > I did find this problem is discussed in RNews, Programmer's Niche > 1(1):27 - 30 and RNews, 1(2):29-31. Is there function in 'base' R or > other package to do this? Thanks. --Dale > > ______________________________________________ > 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. > ______________________________________________ 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.
