Title: Bayes’s theorem Long Title: IUPAC Gold Book - Bayes’s theorem DOI: 10.1351/goldbook.11412 Status: current Definition A method for calculating prior probability estimates of an event that can be revised in accordance with new observations. Related Term - prior probability: https://goldbook.iupac.org//terms/view/11496 Source - PAC, 2016, 88, 239. 'Glossary of terms used in computational drug design, part II (IUPAC Recommendations 2015)' on page 242 (https://doi.org/10.1515/pac-2012-1204) Other Outputs - html: https://goldbook.iupac.org/terms/view/11412/html - json: https://goldbook.iupac.org/terms/view/11412/json - xml: https://goldbook.iupac.org/terms/view/11412/xml Citation: Citation: 'Bayes’s theorem' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.11412 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-04-18T12:33:15+00:00