[Numpy-discussion] PCA - Principal Component Analysis
wbaxter at gmail.com
Mon Jun 25 03:24:12 EDT 2007
Except last I checked numpy.linalg doesn't have an efficient method for
retrieving only a few PCA components.
So yeh, you can do PCA but it will be *really* slow on most of the types of
problems that PCA is usually used for.
You need something like an ARPACK wrapper, which I think they have in the
On 6/25/07, Matthieu Brucher <matthieu.brucher at gmail.com> wrote:
> You have everything you need for PCA in numpy.linalg.
> 2007/6/21, Alex Torquato S. Carneiro <archsheep at yahoo.com.br >:
> > I'm doing some projects in Python (system GNU / Linux - Ubuntu 7.0)
> > about image processing. I'm needing a implementation of PCA, prefer to
> > library for apt-get.
> > Thanks.
> > Alex.
> > ------------------------------
> > Novo Yahoo! Cadê? <http://yahoo.com.br/oqueeuganhocomisso+> -
> > Experimente uma nova busca.
> > _______________________________________________
> > Numpy-discussion mailing list
> > Numpy-discussion at scipy.org
> > http://projects.scipy.org/mailman/listinfo/numpy-discussion
> Numpy-discussion mailing list
> Numpy-discussion at scipy.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the NumPy-Discussion