File a bugbor inadequate validation also?
On Jan 23, 2013 10:34 AM, "Andreas Mueller" <amuel...@ais.uni-bonn.de>
wrote:
> Hi Philipp.
> LinearSVC can not cope with multilabel problems.
> It seems it is not doing enough input validation.
> You have to use OneVsRestClassifier together with LinearSVC
> to do that afaik.
> Cheers,
> Andy
>
> Am 23.01.2013 16:27, schrieb Philipp Singer:
> > Hey guys!
> >
> > I am currently trying to do multilabel prediction using textual features
> > (e.g., tfidf).
> >
> > My data consists of a different amount of labels for a sample. One can
> > have just one label and one can have 10 labels.
> >
> > I now simply built a list of tuples for my y vector.
> >
> > So for example:
> > (19, 8, 7, 5)
> > (8, 22, 23, 6, 18, 3)
> > (22,)
> > ...
> >
> > I have decided as first step to use LinearSVC. When I train the
> > classifier with about 10.000 samples all works fine and also the
> > prediction output looks fine.
> >
> > But as soon as I use all my samples (~300.000) my python.exe crashes in
> > Windows. So I tried it on my Linux server, and I get a segfault error.
> >
> > Does anyone know how this can happen? Am I probably doing something
> wrong?
> >
> > I have some more questions regarding multilabel classification, but
> > let's stick to this first ;)
> >
> > Many Regards,
> > Philipp
> >
> >
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