I would have thought that the help page for importance() is an (the?) obvious place to look...
If that description is not clear, please let me know which part isn't clear to you. Andy From: Mareike Lies > > I am trying to use the package RandomForest performing regression. > The variable importance estimates are given as: "%IncMSE" > and > "IncNodePurity" > Can anyone explain me what these refer to and how they are calculated? > I found a lot of information on variable importance measures for > classification problems, but nothing on regression. > > Thanks a lot. > Mareike > > ______________________________________________ > 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. > Notice: This e-mail message, together with any attachme...{{dropped:11}} ______________________________________________ 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.