bayesian network

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|statistics}} A {{w|directed acyclic graph}} whose vertices represent [[random variable]]s and whose directed edges represent [[conditional probability|conditional]] dependencies. Each random variable can fall into any of at least two mutually disjoint states, and has a probability function which takes as inputs the states of its parent nodes and returns as output the probability of being in a certain state for a given combination of the states of its parent nodes. A node without parent nodes just has an unconditioned probability of being in some given state.

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