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	Bayesian Reliability Analysis	ベイジアンネットワーク
分野	ベイズ	ベイズ
系統	Bayesian methods	Bayesian methods
提唱年	2008	1988
提唱者	Bayesian reliability formalized by Hamada, Wilson, Reese & Martz	Judea Pearl
種類	Bayesian model for time-to-failure / reliability data	Probabilistic graphical model
原典	Hamada, M. S., Wilson, A. G., Reese, C. S., & Martz, H. F. (2008). Bayesian Reliability. Springer Series in Statistics. Springer, New York.	Pearl, J. (1988). Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference. Morgan Kaufmann. ISBN: 978-1558604797
別名	Bayesian reliability, Bayesian survival/reliability modeling, Bayesian life-data analysis, Bayesian failure-time analysis	Bayes network, belief network, probabilistic graphical model, directed graphical model
関連	6	4
概要	Bayesian reliability analysis estimates how long components or systems survive — their reliability, failure rate, and lifetime distribution — by combining observed (often censored) failure data with prior knowledge through Bayes' rule. As developed in Hamada, Wilson, Reese, and Martz's Bayesian Reliability (2008), it is especially valuable when failures are rare, tests are expensive, and engineering or historical information must be brought to bear.	A Bayesian network is a probabilistic graphical model, introduced by Judea Pearl in 1988, that encodes a set of variables and their conditional dependencies as a directed acyclic graph (DAG). Each node represents a variable; each directed edge encodes a direct probabilistic influence. By combining Bayes' rule with the graph's conditional independence structure, the model supports reasoning under uncertainty — computing the probability of any variable given observed evidence about others.