Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/bnt/CPDs/@root_CPD/sample_node.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
parents | |
children |
rev | line source |
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wolffd@0 | 1 function y = sample_node(CPD, pev) |
wolffd@0 | 2 % SAMPLE_NODE Draw a random sample from P(Y|pa(y), theta) (root) |
wolffd@0 | 3 % Y = SAMPLE_NODE(CPD, PEV) |
wolffd@0 | 4 % |
wolffd@0 | 5 % pev{i} is the evidence on the i'th parent. |
wolffd@0 | 6 % Since a root has no parents, we ignore pev, |
wolffd@0 | 7 % and return the value the root was clamped to when it was created. |
wolffd@0 | 8 |
wolffd@0 | 9 y = CPD.val; |