Bayes·​ian ˈbā-zē-ən How to pronounce Bayesian (audio)
: 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

Recent Examples on the Web Political scientist Simon Jackman later formalized a Bayesian time-series model of polls with house effects for Australian elections. G. Elliott Morris, ABC News, 25 Apr. 2024 The sampling precision of Harris online polls is measured by using a Bayesian credible interval. Andy Kalmowitz / Jalopnik, Quartz, 7 Mar. 2024 The research team used a type of statistical analysis, known as the Bayesian approach, to test the autosomal DNA of 9,855 remains spanning millennia across Earth, the study said. Irene Wright, Miami Herald, 20 Feb. 2024 This social data was combined with a phylogenetic tree — also known as an evolutionary tree — as well as with data on the body mass of these ancestors estimated from younger fossils, and finally processed through a Bayesian phylogenetic model. Margherita Bassi, Discover Magazine, 30 Jan. 2024 The app is powered by a probabilistic reasoning system using Bayesian methods, one of the core concepts for computer science and AI. Stephanie Cain, Fortune, 4 Jan. 2024 There continues to be value in the traditional approach of linear regressions, especially for tools such as revenue management and evaluating in-fill locations, especially as the Bayesian models continue to evolve and improve. Sourav Goswami, Forbes, 28 Nov. 2023 But in many feats of machine learning, for which Bayesian probability theory often serves as the inferential engine, the prior assumptions instilled by a model’s architects play a critical role in its interpretation of its observations. Matthew Gavin Frank, Harper's Magazine, 21 Sep. 2022 One such initiative at Boston University’s Ecological Forecasting Laboratory involves using the Cary Institute’s long-term tick data to train a type of probability model called a Bayesian network. Kat Eschner, Scientific American, 7 July 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Bayesian.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of Bayesian was in 1950

Dictionary Entries Near Bayesian

Cite this Entry

“Bayesian.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

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