[R] [R-pkgs] "tsne" package for t-SNE dimensionality reduction

Justin Donaldson jjdonald at indiana.edu
Sat Feb 20 00:10:54 CET 2010

I'd like to announce the availability of the "tsne" package.

It provides the T distributed Stocastic Neighbor Embedding algorithm by van
der Maaten and Hinton:

   1. http://ict.ewi.tudelft.nl/~lvandermaaten/t-SNE.html


   L.J.P. van der Maaten and G.E. Hinton. Visualizing High-Dimensional Data
   Using t-SNE. Journal of Machine Learning Research 9(Nov):2579-2605, 2008.
   [ PDF<http://ict.ewi.tudelft.nl/%7Elvandermaaten/t-SNE_files/vandermaaten08a.pdf>]
[ Supplemental

   L.J.P. van der Maaten. Learning a Parametric Embedding by Preserving
   Local Structure. In Proceedings of the Twelfth International Conference
   on Artificial Intelligence and Statistics (AISTATS), JMLR W&CP 5:384-391,
   2009. [ PDF<http://ict.ewi.tudelft.nl/%7Elvandermaaten/t-SNE_files/Paper.pdf>]

It has a few utility/convenience parameters for tweaking the algorithm and
providing feedback.  Be sure to try the example to get an idea of how it


It's currently much slower than the "official" implementations by van der
Maaten.  If you're interested in providing some tips on optimized C/Fortan
code, let me know.


Justin Donaldson
PhD Candidate, Informatics
Indiana University
aim: iujjd
twitter: jjdonald

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