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Some simulation results of Markov equivalence classes
HE Yang-Bo *
SchoolofMathematicalSciences,PekingUniversity;StatisticalCenterofPekingUniversity
*Correspondence author
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Funding: 高等学校博士点基金资助课题（No.720070001039）
Opened online:23 February 2011
Accepted by: none
Citation: HE Yang-Bo.Some simulation results of Markov equivalence classes[OL]. [23 February 2011] http://en.paper.edu.cn/en_releasepaper/content/4410522
 
 
Directed acyclic graphs (DAGs) and completed partial directed acyclic graphs (CPDAG) are widely used to represent causal systems or uncertain probability systems. Some studies about small graphs with dozens of nodes have shown that given the number of nodes, p, in average, each CPDAG encode about 3.7 DAGs. In this paper, we analyze the properties of CPDAGs with large dimensions and sparsity settings via MCMC approach.
Keywords:Mathematical statistics; Graphical model； causal network; space of graphs; sparse graph
 
 
 

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