Bayesian

American

[bey-zee-uhn, -zhuhn] / 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.

Bayesian British

/ 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 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

Etymology

Origin of Bayesian

1960–65; Thomas Bayes (1702–61), English mathematician + -ian

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We recently endorsed greater use of Bayesian statistics in small studies and for identifying optimal dosing for children.

From The Wall Street Journal

Even so, the researchers succeeded in updating the controller's internal Bayesian model after every single qubit measurement.

From Science Daily

Sampling precision for Harris online polls is measured using a Bayesian credible interval.

From Science Daily

In a groundbreaking step, researchers at the University of Tokyo applied a type of artificial intelligence known as a Bayesian neural network to study gut bacteria.

From Science Daily

To further improve accuracy, they used Bayesian estimation to reduce noise, similar to sharpening a blurred photograph.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023