Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/KPMstats/cwr_readme.txt @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/KPMstats/cwr_readme.txt Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,20 @@ +This directory implements Cluster Weighted Regression, as described in +Neil Gershenfeld, "The nature of mathematical modelling", p182. +(See also http://www.media.mit.edu/physics/publications/books/nmm/files/index.html) + +Written by K. Murphy, 2 May 2003 + +The model is as follows: + +X<--| +| Q +v | +Y<-- + +where Q is a discrete latent mixture variable. + +A mixture of experts has an X->Q arc instead of a Q->X arc; +the X->Q arc is modelled by a softmax, which is slightly harder to fit than a +mixture of Gaussians. + +