[R] How to personalize the rpart function: t.default(x)

[Prof Brian Ripley]

On Thu, 2 Sep 2004, Simone Vantini wrote:

> I'm trying to personalize the rpart function by introducing a
> list('init','split','eval') in the argument method. But I receive an error
> message:"Error in t.default(x): argument is not a matrix".
> Can anyone tell me what the argument of this function is or where this
> function appears in the rpart function.Thanks Simone Vantini

t.default is the default method for the transpose function t() in R 
itself.

Try help!

Description:

     Given a matrix or 'data.frame' 'x', 't' returns the transpose of
     'x'.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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