If you mean the reference for the option, it is "assign_labels" and if you
mean the reference for the algorithm, I think you can have a look at:
www.cs.berkeley.edu/~malik/papers/SM-ncut.pdf
Best Regards,
Wei
On Fri, Feb 1, 2013 at 4:40 PM, Vince Fernando <y...@vincefernando.co.uk>wrote:
> Could you give me a reference for the "discrete option" in spectral
> clustering?
> vince
>
>
> On 31 January 2013 13:58, Olivier Grisel <olivier.gri...@ensta.org> wrote:
>
>> 2013/1/31 Gael Varoquaux <gael.varoqu...@normalesup.org>:
>> > On Thu, Jan 31, 2013 at 08:17:02AM -0500, Satrajit Ghosh wrote:
>> >> the problem that this causes is in comparing clusters from two similar
>> >> datasets. are the clusters different because they reflect different
>> >> properties or simply differences in local minima.
>> >
>> > Because clustering is so much of an ill-posed problem in noisy and
>> > high-dimensional situations, as in neuroimaging, such comparison is
>> > difficult and often imposible.
>> >
>> > Quite often people believe way too much in the clustering results that
>> > they get: it is not clear that the clusters are identifiable from the
>> > data.
>>
>> Ensemble clustering might help you identify stable substructures (e.g.
>> a ranking on the stability of pairs of samples for instance).
>>
>> --
>> Olivier
>> http://twitter.com/ogrisel - http://github.com/ogrisel
>>
>>
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