[R] controlling for number of elements in each node of the tree in mvpart

[Gavin Simpson]

On Fri, 2008-02-29 at 16:48 -0500, shu zhang wrote:
> Still about the mvpart.
> Is there any way I can control for the number of elements in each node
> in the function mvpart? Specifically, how can I ask partition to
> ignore node with elements less than 10?

mvpart is just a wrapper to (a modified version of) rpart so you control
these aspects of the fit in the same way as univariate trees. In this
case, look at ?rpart.control and argument minsplit. It won't ignore
those nodes, but it won't split a node with fewer than minsplit
observations in it.

HTH

G
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