Detecting responsible nodes in differential Bayesian networks
Xianzheng Huang,
Hongmei Zhang
Abstract:To study the roles that different nodes play in differentiating Bayesian networks under two states, such as control versus disease, we formulate two node‐specific scores to facilitate such assessment. The first score is motivated by the prediction invariance property of a causal model. The second score results from modifying an existing score constructed for differential analysis of undirected networks. We develop strategies based on these scores to identify nodes responsible for topological differences betwee… Show more
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