[R] SVM question
Liaw, Andy
andy_liaw at merck.com
Mon Mar 22 13:59:57 CET 2004
If you really want such features, you have two options:
- Modify the C and R code yourself.
- Send request to the author of libsvm, Chih-Jen Lin.
Andy
> From: Frank Gerrit Zoellner
>
> On Mon, Mar 22, 2004 at 01:14:06PM +0100, David Meyer wrote:
> > >I have a question concerning the svm in the e1071 package.
> > >I trained the svm by a set of samples, doing a 10 cross validation.
> > >The summary function then prints out the total accuracy and single
> > >accuracies, >works fine.
> >
> > >My question is then: Is it possible to get classification
> results per
> > >cross >validation out the svm? I mean e.g. numbers about the true
> > >positives ,fp,fn,tf ?
> >
> > No, because the accuracies are not computed using a
> confusion matrix.
> > The computation is internally done in C.
>
> So there is no way to recieve a list of the examples and its
> assigned class which has been used for testing the svm during
> the cross validation?
>
> Yours,
>
> --
> Frank G. Zoellner
> AG Angewandte Informatik
> Technische Fakult"at
> Universit"at Bielefeld
> phone: +49(0)521-106-2951
> fax: +49(0)521-106-2992
> email: fzoellne at techfak.uni-bielefeld.de
>
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