Tue, 19 Jul 2011 ⊕Category: scikit-learn
#pca #principal components analysis #scikit-learn #sparse pca #SparsePCA #spca

I am happy to announce that the Sparse PCA code has been reviewed and merged into the main scikits.learn repository.

You can use it if you install the bleeding edge scikits.learn git version, by first downloading the source code as explained in the user’s guide, and then …

Mon, 23 May 2011 ⊕Category: scikit-learn
#dictionary learning #pca #sparse pca #SparsePCA #spca #scikit-learn

I have been working on the integration into the scikits.learn codebase of a sparse principal components analysis (SparsePCA) algorithm coded by Gaël and Alexandre and based on [[1]][]. Because the name “sparse PCA” has some inherent ambiguity, I will describe in greater depth what problem we are actually solving …