[pymvpa] Multi-class SVM Sensitivities

Yaroslav Halchenko yoh at dartmouth.edu
Sun Nov 15 23:52:36 UTC 2009


quickie answer -- SVM does multiclass via pair-wise... so there are 3
classifiers for 3-class classification: 1-vs-2, 1-vs-3, 2-vs-3.
Therefore you are getting 3 sensitivities correspondingly ;)
so it is not even 1 per condition, which would be in the case with SMLR

On Sun, 15 Nov 2009, Mark Lescroart wrote:

> Hello,

> I have a question regarding extracting sensitivity values for a
> multi-class SVM classifier.
-- 
Yaroslav O. Halchenko
Postdoctoral Fellow,   Department of Psychological and Brain Sciences
Dartmouth College, 419 Moore Hall, Hinman Box 6207, Hanover, NH 03755
Phone: +1 (603) 646-9834                       Fax: +1 (603) 646-1419
WWW:   http://www.linkedin.com/in/yarik        



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