Displaying 1 result from an estimated 1 matches for "0jxf00lso864ate0".
2008 Mar 08
1
How to do multi-factor stratified sampling in R
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