From Achim.Zeileis at wu-wien.ac.at  Tue Sep  2 15:34:32 2008
From: Achim.Zeileis at wu-wien.ac.at (Achim Zeileis)
Date: Tue, 2 Sep 2008 15:34:32 +0200 (CEST)
Subject: [Rd] rpart: ID3 or C4.5?
In-Reply-To: <19269303.post@talk.nabble.com>
References: <19269303.post@talk.nabble.com>
Message-ID: <Pine.LNX.4.64.0809021531170.6483@paninaro.stat-math.wu-wien.ac.at>

On Tue, 2 Sep 2008, Clusty wrote:

> Hello,
>
> My question is about the algorithm used behind decision tree package rpart.
> It is not clear in the help if the algorithm used is ID3 or C4.5. Someone
> has any idea?

1. Not really an R-devel question.
2. As ?rpart tells you it is neither an implementation of ID3 nor C4.5,
    but of Breiman et al's Classification And Regression Trees (CART).
3. For the availability of various tree-based learners, see
      http://CRAN.R-project.org/view=MachineLearning

> Regards.
> Sandro.
> -- 
> View this message in context: http://www.nabble.com/rpart%3A-ID3-or-C4.5--tp19269303p19269303.html
> Sent from the R devel mailing list archive at Nabble.com.
>
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>



[Rd] rpart: ID3 or C4.5?
Achim Zeileis