[SciPy-User] manifold learning tools?

[Matthieu Brucher]

2011/2/14 Stéfan van der Walt <stefan at sun.ac.za>

> On Fri, Feb 11, 2011 at 12:16 AM, Zachary Pincus
> <zachary.pincus at yale.edu> wrote:
> > Oh great, thanks! I poked around the scikits.learn repo a bit but must
> > have missed those -- sorry. I'll check that out in more detail.
>
> I looked at the docs for scikits.learn now, but it doesn't seem as
> though one can specify the diffusion map kernel?  Either way, the code
> for this is literally about 20 lines (attached).  Note that 'eigen' is
> known as 'eigs' in the latest scipy RC.
>

Indeed, because the diffusion kernel is hardcoded for diffusion map. The
inner computation function can be passed a kernel though (sparse like
Laplacian Eigenmaps or not sparse like Diffusion Map).

Matthieu
-- 
Information System Engineer, Ph.D.
Blog: http://matt.eifelle.com
LinkedIn: http://www.linkedin.com/in/matthieubrucher
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