Bayesian

adjective

Bayes·​ian ˈbā-zē-ən How to pronounce Bayesian (audio)
-zhən
: being, relating to, or involving statistical methods that assign probabilities or distributions to events (such as rain tomorrow) or parameters (such as a population mean) based on experience or best guesses before experimentation and data collection and that apply Bayes' theorem to revise the probabilities and distributions after obtaining experimental data

Examples of Bayesian in a Sentence

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Unlike Bayesian statistics, frequentist statistics does not concern itself with priors. Keith Cooper, Space.com, 7 Apr. 2025 The Bayesian mathematical approach involves making inferences about probabilities based on available information. Beth C. Caldwell, The Conversation, 3 Apr. 2025 The researchers collaborated with a team in South Korea, and applied what's known as the multi-objective Bayesian optimization machine learning algorithm. New Atlas, 21 Feb. 2025 The sampling precision of Harris online polls is measured by using a Bayesian credible interval. Russell Contreras, Axios, 20 Jan. 2025 Related article Bayesian yacht captain faces manslaughter probe after deadly sinking in Sicily Once the recovery plan has been chosen, the prosecutor’s office will have to sign off on the decision to make sure the salvage plan does not compromise the criminal investigation. Barbie Latza Nadeau, CNN, 1 Dec. 2024 Such a pragmatic Bayesian approach to decision-making on climate investments may well be appealing to Musk and Ramasawamy at DOGE as well. Saleem H. Ali, Forbes, 23 Nov. 2024 Its Way in China Half a Million People Killed in Deadliest Weather Disasters Since 2004 What Sank the Bayesian Superyacht in Italy? New York Times, 31 Oct. 2024 By quantifying candidate achievements and employing techniques like Bayesian analysis, companies can shift from subjective assessments to objective, measurable outcomes. Ranjeet Mudholkar, Forbes, 24 Sep. 2024

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of Bayesian was in 1950

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Cite this Entry

“Bayesian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bayesian. Accessed 22 Apr. 2025.

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