[R] nu-SVM crashes in e1071

Häring, Tim (LWF) Tim.Haering at lwf.bayern.de
Tue Mar 2 15:41:12 CET 2010

Hello !

I`m using SVMs for multi-class classification problems. Therefore I`m using the svm() function in the package "e1071".
If I use svm(...type="C-classification") everything works fine. But if I want to use nu-SVM with svm(..., type="nu-classification", nu=0.5) R crashes immediately. No error message - just crash.

Did anybody had the same problem and maybe a solution? 
I`m using R 2.10.0 and the latest Version of e1071


BTW: Using the LibSVM wrapper in Weka the same happens. Maybe there is a problem in the LibSVM code...

Tim Häring
Bavarian State Institute of Forest Research 
Department of Forest Ecology
Hans-Carl-von-Carlowitz-Platz 1
D-85354 Freising

E-Mail: tim.haering at lwf.bayern.de

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