for python, please check http://onlamp.com/pub/a/python/2006/02/09/ai_decision_trees.html
On Sat, Sep 4, 2010 at 11:21 AM, noclue_ <tim....@netzero.net> wrote: > > > Have anybody used Decision Tree in Python or C++? (or written their own > decision tree implementation in Python or C++)? My goal is to run decision > tree on 8 million obs as training set and score 7 million in test set. > > I am testing 'rpart' package on a 64-bit-Linux + 64-bit-R environment. But > it seems that rpart is either not stable or running out of memory very > quickly. (Is it because R is passing everything as copy instead of as object > reference?) > > Any idea would be greatly appreciated! > > Have a nice weekend! > -- > View this message in context: > http://r.789695.n4.nabble.com/Decision-Tree-in-Python-or-C-tp2526810p2526810.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- ============================== WenSui Liu wens...@paypal.com statcompute.spaces.live.com ============================== ______________________________________________ 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.