conditional probability distribution

Noun

conditional probability distribution (plural conditional probability distributions)

1. The probability distribution of a random variable given the known outcome of another random variable.
   • A Bayesian network consists of a directed, acyclic graph and a set of conditional probability distributions. For each variable in the graph there is a conditional probability distribution of the variable given its parents.1999, Anders L. Madsen, Bruce D'Ambrosio, Lazy Propagation and Independence of Causal Influence, Anthony Hunter, Simon Parsons, Symbolic and Quantitative Approaches to Reasoning and Uncertainty...
   • Note that for two independent random variables X and Y, the conditional probability distribution p(x|y) is the same as simply p(y).2010, Philipp Koehn, Statistical Machine Translation, Cambridge University Press, page 69