diff toolboxes/FullBNT-1.0.7/bnt/general/dsep.m @ 0:e9a9cd732c1e tip

first hg version after svn

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/general/dsep.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,15 @@
+function sep = dsep(X, Y, S, G)
+% DSEP Is X indep Y given S wrt DAG G?
+% sep = dsep(X, Y, S, G)
+%
+% Instead of using the Bayes-Ball criterion, we see if S separates X and Y
+% in the moralized ancestral graph.
+
+conn = reachability_graph(G);
+M = myunion(myunion(X, Y), S);
+[A,junk] = find(conn(:, M));
+A = unique(A);
+A = myunion(A, M);
+GM = moralize(G(A,A));
+%sep = graph_separated(GM, X, Y, S);
+sep = graph_separated(GM, find_equiv_posns(X,A), find_equiv_posns(Y,A), find_equiv_posns(S,A));