+1 for FA. It's standard and indeed very similar to ProbabilisticPCA that we have.
Now we need a volunteer :) Alex On Thu, Jan 19, 2012 at 7:31 AM, Gael Varoquaux <[email protected]> wrote: > On Wed, Jan 18, 2012 at 11:53:01PM +0100, Andreas wrote: >> > Factor analysis is a decomposition with a particular >> > assumption about the noise. > >> > See Bishop page 583 > >> For a bit more detail: >> The idea is that the data is a linear transform of some >> underlying, lower dimensional data plus some diagonal Gaussian noise. >> This is essential a slight generalization of probabilistic PCA, >> which has the same model but the Gaussian noise is assumed to be isotropic. > > I don't have the Bishop, and I must confess that I am still confused by > the Wikipedia. That said, it doesn't really matter. As long as people > feel confident that it is well defined and useful, it belongs to the > scikit, and I am all for it :). > > Gael > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
