[pymvpa] Use case for recursive feature elimination
mwaskom at MIT.EDU
Mon Nov 1 18:10:52 UTC 2010
Thanks! The pointer to that test is very helpful indeed.
On Mon, Nov 1, 2010 at 2:02 PM, Yaroslav Halchenko <yoh at dartmouth.edu>wrote:
> Hi Mike,
> sorry that it causes you troble... but RFE is indeed somewhat difficult
> to figure out...
> but before anything:
> have you seen
> also look may be at
> mvpa/tests/test_rfe.py: def __test_matthias_question(self):
> which has one of RFE structures
> in general classifier with RFE as feature selection should be treated as
> any other classifier
> also -- do you really think that RFE is necessary in your case? may be
> some simpler feature selection or SMLR would do?
> P.S. it would be of greater benefit to everyone if we continue this
> communication on the mailing list, if you don't mind of cause
> On Mon, 01 Nov 2010, Michael Waskom wrote:
> > Hey Yarik,
> > I'm trying to figure out how to use the RFE class in pymvpa 0.5dev.
> > Sadly, there doesn't seem to be much in the (otherwise
> > super-helpful) documentation about it. I get all of the parameters,
> > but I'm not quite sure how it might fit into a typical analysis, and
> > I'm very interested in trying out some recursive feature selection.
> > you have a simple use case you could put up as a gist (or elsewhere)
> > I can get the basic idea? Nothing too didactic is required.
> > Thanks!
> > Mike
> 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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