[R] How to use a validation set rather than the default cross-validation in rpart() ?

From: Quin Wills <quin.wills_at_googlemail.com>
Date: Wed 03 May 2006 - 03:10:01 EST

I want use a validation set for my classification tree rather than the default 10-fold validation in rpart() but can't see which arguments to use to get this right. Advice appreciated thanks. I assume that this is possible!      

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