On Sat, Feb 21, 2009 at 07:48:57AM -0500, Per B. Sederberg wrote: > Hi all: > > Melissa C. here at Princeton told me she has some C versions of the > code that we could use, and also mentioned some matlab versions, which > I subsequently found on the web. > > As such, it should be pretty easy to implement both LARS and ENET > right in PyMVPA, like we did for SMLR. > > I'll let folks know when I've made progress on this...
Great news! I'd prefer C versions, since the RPy interface has had some issue in the past and the Debian packaging is always tightly related to the latest R version -- which makes it extremely difficult to backport. Thanks, Michael > On 2/21/09, Michael Hanke <[email protected]> wrote: > > Hi all, > > > > just for the record: Both LARS and ENET classifiers will not work on > > Debian etch, since the corresponding RPy prevents 'dim' being reported > > for NumPy array, i.e.: > > > > >>> print rpy.r.dim(N.ones((2,5))) > > None > > > > That breaks both classifiers with: > > > > ====================================================================== > > ERROR: testLARSSensitivities (__main__.LARSTests) > > ---------------------------------------------------------------------- > > Traceback (most recent call last): > > File "mvpa/tests/test_lars.py", line 60, in testLARSSensitivities > > clf.train(data) > > File "/home/hanke/hacking/pymvpa/mvpa/clfs/base.py", line 354, in train > > result = self._train(dataset) > > File "/home/hanke/hacking/pymvpa/mvpa/clfs/lars.py", line 149, in _train > > use_Gram=self.__use_Gram) > > RException: Error in rep(1, n) : invalid 'times' argument > > > > > > > > This is probably close to a non-issue since etch is now 'oldstable', but > > somebody might still stumble upon it. > > > > > > Michael > > > > > > -- > > GPG key: 1024D/3144BE0F Michael Hanke > > http://apsy.gse.uni-magdeburg.de/hanke > > ICQ: 48230050 > > > > _______________________________________________ > > Pkg-ExpPsy-PyMVPA mailing list > > [email protected] > > http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa > > > > _______________________________________________ > Pkg-ExpPsy-PyMVPA mailing list > [email protected] > http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa -- GPG key: 1024D/3144BE0F Michael Hanke http://apsy.gse.uni-magdeburg.de/hanke ICQ: 48230050 _______________________________________________ Pkg-ExpPsy-PyMVPA mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa
