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[bey-zee-uh n, -zhuh n] /ˈbeɪ zi ən, -ʒən/
adjective, Statistics.
of or relating to statistical methods that regard parameters of a population as random variables having known probability distributions.
Origin of Bayesian
1960-65; Thomas Bayes (1702-61), English mathematician + -ian Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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  • Darryl and I once tried to write our own better spam filter and when you filter spam, you need Bayesian math.

    Little Brother Cory Doctorow
British Dictionary definitions for Bayesian


(of a theory) presupposing known a priori probabilities which may be subjectively assessed and which can be revised in the light of experience in accordance with Bayes' theorem. A hypothesis is thus confirmed by an experimental observation which is likely given the hypothesis and unlikely without it Compare maximum likelihood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for Bayesian
adjective, noun

pertaining to statistical methods based on Thomas Bayes' probability theorem involving prior knowledge and accumulated experience's 21st Century Lexicon
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