I'm interested in performing permutation tests of regression tree models (my models are developed using rpart). The package "rpart.permutation" is not available for Windows, so I am wondering if there are any alternative packages available (a search of R-project.org did not turn up anything). Failing that, I'd be interested in R code that anyone is willing to share that performs such permutation tests. Thanks. Roland ----------------------------------------------------- Roland Knapp Sierra Nevada Aquatic Research Laboratory University of California HCR 79, Box 198, Mammoth Lakes, CA 93546 office phone: 760.647.0034 [[alternative HTML version deleted]]