Thanks Jim, I'm on numpy 1.3.0, which might be the problem.
Its not a show stopper for me, I think I've found a way not to end up with this case. Regards Brian On 2 August 2012 15:54, Jim Vickroy <[email protected]> wrote: > On 8/2/2012 8:27 AM, Brian Holt wrote: >> Thanks Jim, >> >> Could you try it again with >> >> X = np.array([[0]]) >> >> Note the double "[" bracket - this is what causes the problem for me. >> >> Cheers >> Brian > > Sorry about that. > > >>> x = numpy.array([[0]]) > >>> a = numpy.asfortranarray(x) > >>> a.flags > C_CONTIGUOUS : False > F_CONTIGUOUS : True > OWNDATA : True > WRITEABLE : True > ALIGNED : True > UPDATEIFCOPY : False > >>> > > >> >> On 2 August 2012 15:23, Jim Vickroy<[email protected]> wrote: >>> On 8/2/2012 6:05 AM, Brian Holt wrote: >>>> Hi list, >>>> >>>> I'm refactoring the tree module to introduce lazy argsorting and my >>>> unit tests are failing with: >>>> >>>> Exception ValueError: ValueError(u'ndarray is not Fortran >>>> contiguous',) in 'sklearn.tree._tree.Tree.recursive_partition' ignored >>>> >>>> I think I've pinned down the problem to this minimal sample: >>>> >>>>>>> import numpy as np >>>>>>> X = np.array([[0]]) >>>>>>> a = np.asfortranarray(X) >>>>>>> a.flags >>>> C_CONTIGUOUS : True >>>> F_CONTIGUOUS : False >>>> OWNDATA : True >>>> WRITEABLE : True >>>> ALIGNED : True >>>> UPDATEIFCOPY : False >>>> >>>> Is this a bug in numpy? And if so, is there any workaround? >>>> >>>> Regards >>>> Brian >>> Hi Brian, >>> >>> Here are the results for my setup: >>> >>> >>> sys.version >>> '2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)]' >>> >>> import numpy >>> >>> numpy.__version__ >>> '1.6.2' >>> >>> x = numpy.array([0]) >>> >>> a = numpy.asfortranarray(x) >>> >>> a.flags >>> C_CONTIGUOUS : True >>> F_CONTIGUOUS : True >>> OWNDATA : True >>> WRITEABLE : True >>> ALIGNED : True >>> UPDATEIFCOPY : False >>> >>> >>> >>> >>> >>> >>>> ------------------------------------------------------------------------------ >>>> Live Security Virtual Conference >>>> Exclusive live event will cover all the ways today's security and >>>> threat landscape has changed and how IT managers can respond. Discussions >>>> will include endpoint security, mobile security and the latest in malware >>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>>> _______________________________________________ >>>> Scikit-learn-general mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general >>> >>> ------------------------------------------------------------------------------ >>> Live Security Virtual Conference >>> Exclusive live event will cover all the ways today's security and >>> threat landscape has changed and how IT managers can respond. Discussions >>> will include endpoint security, mobile security and the latest in malware >>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>> _______________________________________________ >>> Scikit-learn-general mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general >> ------------------------------------------------------------------------------ >> Live Security Virtual Conference >> Exclusive live event will cover all the ways today's security and >> threat landscape has changed and how IT managers can respond. Discussions >> will include endpoint security, mobile security and the latest in malware >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> _______________________________________________ >> Scikit-learn-general mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
