Mercurial > hg > camir-aes2014

diff toolboxes/FullBNT-1.0.7/bnt/general/do_intervention.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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/general/do_intervention.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,13 @@
+function bnet = mutilate_bnet(bnet, nodes, vals)
+% MUTILATE_BNET Clamp nodes to specific values (perform a surgical intervention)
+% bnet = mutilate_bnet(bnet, nodes, vals)
+%
+% We make all the clamped nodes roots.
+
+ns = bnet.node_sizes;
+for i=1:length(nodes)
+  X = nodes(i);
+  x = vals(i);
+  bnet.dag(:,X) = 0;
+  bnet.CPD{X} = root_CPD(bnet, X, x);
+end