> Thanks a lot!I've found that the matrix argument of the function
> t.default() is init$y. I thought that y and x were the response and the
> predective variables of the data of the node, isn't it?
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, [EMAIL PROTECTED]
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595
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