[R] Decision Tree in Python or C++?

[Wensui Liu]

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.liu at 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.
>
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> and provide commented, minimal, self-contained, reproducible code.
>



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WenSui Liu
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