Re: [R] How to do multi-factor stratified sampling in R

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

Re: [R] How to do multi-factor stratified sampling in R

At 03:54 PM 3/8/2008, David Winsemius wrote: 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