Department of Statistics, Huazhong Normal University, Wuhan 430079, China
[郑忠国] School of Mathematical Sciences, Peking University, Beijing 100871, China
[许静] School of Information, University of International Business and Economics, Beijing 100029, China
[赵慧] Department of Statistics, Huazhong Normal University, Wuhan 430079, China, School of Mathematical Sciences, Peking University, Beijing 100871, China
通讯机构：
[Zhao, H.] D
Department of Statistics, Huazhong Normal University, China
In the presence of unobserved hidden variables and selection bias, Bayesian networks may not correctly represent causal relationships among the observed variables. Using maximal ancestral graph models, this paper characterizes the independencies and causal structure of the observed variables and provides an algorithm for ca...
