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annotate toolboxes/FullBNT-1.0.7/netlab3.3/gtmlmode.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function modes = gtmlmode(net, data)
wolffd@0 2 %GTMLMODE Mode responsibility for data in a GTM.
wolffd@0 3 %
wolffd@0 4 % Description
wolffd@0 5 % MODES = GTMLMODE(NET, DATA) takes a GTM structure NET, and computes
wolffd@0 6 % the modes of the responsibility distributions for each data point in
wolffd@0 7 % DATA. These will always lie at one of the latent space sample points
wolffd@0 8 % NET.X.
wolffd@0 9 %
wolffd@0 10 % See also
wolffd@0 11 % GTM, GTMPOST, GTMLMEAN
wolffd@0 12 %
wolffd@0 13
wolffd@0 14 % Copyright (c) Ian T Nabney (1996-2001)
wolffd@0 15
wolffd@0 16 % Check for consistency
wolffd@0 17 errstring = consist(net, 'gtm', data);
wolffd@0 18 if ~isempty(errstring)
wolffd@0 19 error(errstring);
wolffd@0 20 end
wolffd@0 21
wolffd@0 22 R = gtmpost(net, data);
wolffd@0 23 % Mode is maximum responsibility
wolffd@0 24 [max_resp, max_index] = max(R, [], 2);
wolffd@0 25 modes = net.X(max_index, :);