http://matt.eifelle.com/2008/01/25/dimensionality-reduction-isomap/ Tue, 27 Jul 2010 10:39:22 +0200 http://wordpress.org/?v=2.9.1 hourly 1 http://matt.eifelle.com/2008/01/25/dimensionality-reduction-isomap/comment-page-1/#comment-449 Matt’s blog » Dimensionality reduction: comparison of different methods Wed, 23 Apr 2008 07:16:59 +0000 http://matt_temp.eifelle.com/item/13#comment-449 [...] already given some answers in one of my first tickets on manifold learning. Here I will give some more complete results on the quality of the dimensionality reduction [...] [...] already given some answers in one of my first tickets on manifold learning. Here I will give some more complete results on the quality of the dimensionality reduction [...]

]]> http://matt.eifelle.com/2008/01/25/dimensionality-reduction-isomap/comment-page-1/#comment-18 Matt’s blog » Dimensionality reduction: explicit optimization of a cost function Wed, 02 Apr 2008 07:16:08 +0000 http://matt_temp.eifelle.com/item/13#comment-18 [...] on Euclidien distances, I implemented it with the approximated geodesic distances described in the Isomap ticket. The goal of this function is to add a weight (the inverse of the geodesic distance), leading to [...] [...] on Euclidien distances, I implemented it with the approximated geodesic distances described in the Isomap ticket. The goal of this function is to add a weight (the inverse of the geodesic distance), leading to [...]

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