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!
[[alternative HTML version deleted]]
__
Quin Wills wrote:
> 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!
You cannot for the internal algorithm that opti
hz.ch
Subject: Re: [R] How to use a validation set rather than the default
cross-validation in rpart() ?
Quin Wills wrote:
> 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
nk it would be a good idea?
> -Original Message-
> From: Uwe Ligges [mailto:[EMAIL PROTECTED]
> Sent: 03 May 2006 07:53
> To: Quin Wills
> Cc: r-help@stat.math.ethz.ch
> Subject: Re: [R] How to use a validation set rather than the default
> cross-validation in rpart()
-
From: Prof Brian Ripley [mailto:[EMAIL PROTECTED]
Sent: 03 May 2006 10:33
To: Quin Wills
Cc: 'Uwe Ligges'; r-help@stat.math.ethz.ch
Subject: Re: [R] How to use a validation set rather than the default
cross-validation in rpart() ?
On Wed, 3 May 2006, Quin Wills wrote:
> Many thanks.