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Bayesian Reasoning Tax Data – Naive Bayes Classify: (_, No, Married, 95K, ?) Tax Data – Naive Bayes Classify: (_, No, Married, 95K, ?) P(Yes) = 3/10 = 0.3 P(Refund=No|Yes)…

Bayesian Belief Network The decomposition of large probabilistic domains into weakly connected subsets via conditional independence is one of the most important developments…

Bayesian networks Bayesian inference A general scenario: Query variables: X Evidence (observed) variables and their values: E = e Unobserved variables: Y Inference problem:…

Bayesian networks Chapter 14 Outline Syntax Semantics Bayesian networks A simple, graphical notation for conditional independence assertions and hence for compact specification…

Bayesian networks Bayesian networks More commonly called graphical models A way to depict conditional independence relationships between random variables A compact specification…

Probabilistic Reasoning; Network-based reasoning Set 7 ICS 179, Spring 2010 Chavurah 5/8/2010 Propositional Reasoning If Alex goes, then Becky goes: If Chris goes, then Alex…

Bayesian networks Review: Bayesian learning and inference Suppose the agent has to make decisions about the value of an unobserved query variable X based on the values of…