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posterior probability

posterior probability Posterior probability is the probability of an event after new information has been gathered.

Posterior probability is the probability of an event after new information has been gathered. It starts with an initial estimate, called a prior probability, and updates that estimate in light of the new data.

Also see

Sources

Drafting source: Online Statistics Education, version 2 (David M. Lane, project leader). Version 2; publisher statement snapshot 2026-10-18; SHA-256 0dcad9ee85f61f9e2bb24d26279de155ac749164ea4da2a3bffeabcf9ea471a6. “Posterior Probability” (posterior_probability.html).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 4e089fc6480ea02371724267245bf6a9addb06f29ef609b315d8ccbd72830c19

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “posterior probability.” Development preview.

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