diff toolboxes/FullBNT-1.0.7/bnt/CPDs/@softmax_CPD/sample_node.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/CPDs/@softmax_CPD/sample_node.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,14 @@
+function y = sample_node(CPD, pvals)
+% SAMPLE_NODE Draw a random sample from P(Xi | x(pi_i), theta_i)  (discrete)
+% y = sample_node(CPD, parent_evidence)
+%
+% parent_evidence{i} is the value of the i'th parent
+
+n = length(pvals)+1;
+dom = 1:n;
+%evidence = cell(1,n);
+%evidence(1:n-1) = pvals(:)';
+evidence = pvals;
+evidence{end+1} = [];
+T = convert_to_table(CPD, dom, evidence);
+y = sample_discrete(T);