Dirk, Check out Andy Liaw/Mat Wiener's article in RNews 2002-3 www.r-project.org/doc/Rnews/Rnews_2002-3.pdf
Also my decks at www.porzak.com/JimArchive : 1. http://www.porzak.com/JimArchive/JimPorzak_CIwithR_useR2006_tutorial.pdf 2nd part is on randomForest 2. http://www.porzak.com/JimArchive/JimPorzak_RFwithR_DMAAC_Jan07_webinar.pdf is all on randomForest The latter two focus on the use of randomForest in marketing & on the binary response problem For the variable selection problem you mention, check out Ramon Diaz-Uriate's package varSelRF on your local CRAN. HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Tue, Jul 22, 2008 at 4:58 AM, Dirk Nemitz <[EMAIL PROTECTED]> wrote: > > I am new to R and I'd like to use the randomForest package for my thesis > (identifying important variables for more detailed analysis with other > software). I have found extremely well written and helpful information on > the usage of R. > > Unfortunately it seems to be very difficult to find similarly detailed > tutorials for randomForest, and I just can't get it work with the > information on > http://rss.acs.unt.edu/Rdoc/library/randomForest/html/randomForest.html > > Can anybody give me a hint where to find a more detailed tutorial? I am > especially interested in preparation of data to use with randomForest (how > to structure the csv-file) and which information is mandatory for the > package to work. Maybe someone has a simple copy-paste example to share and > experiment? > > Thank you for your attention, > > Dirk > > -- > --------------------------------------- > Dirk Nemitz > Zeppelinstr. 11a > 37083 Göttingen > Germany > > Tel: +49 (0)551 492 32 51 > Mobil: +49 (0)175 709 31 92 > --------------------------------------- > > [[alternative HTML version deleted]] > > > ______________________________________________ > 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. > ______________________________________________ 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.
