Bayesian

[ bey-zee-uh n, -zhuh n ]
/ ˈbeɪ zi ən, -ʒən /
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bayesian

Bayesian

/ (ˈbeɪzɪən) /

adjective

(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 itCompare 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