"Robert A. LaBudde" <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]:
> Given a set of data with a number of variables plus a response, I'd > like to obtain a randomized subset of the rows such that the > marginal proportions of each variable are maintained closely in the > subset to that of the dataset, and possibly maintaining as well the > two-factor interaction marginal proportions as well for some pairs. > > This must be a common problem in data mining, but I don't seem to be > able to locate the proper library or function for doing this in R. > > Thanks for any help. Have you looked at the "sampling" package? I have never used it, but the strata() function appears to be capable. -- David Winsemius ______________________________________________ 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.
