[R] Oblique decision tree using mvpart

[Achim Zeileis]

On Wed, 3 Sep 2008, Clusty wrote:

> I want to try oblique decision tree. I have found the mvpart package. In the

What gave you the idea that mvpart was an implementation of oblique 
decision trees? It does not say so anywhere.

> help file, there is an example of the mvpart function using the spider data
> set. However, when trying the example I do not obtain an oblique decision
> tree with separating rules such as p1+p2<5, but rather simple rules of the
> form p1>3. Is it normal?

Yes. As the task view that I pointed you previously explains
   An adaptation of rpart  for multivariate responses is available in
   package mvpart.
Thus, this is for multivariate *responses*, not for multivariate splits.
Z


> Thanks for your replies.
> Sandro.
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