Bayesian refers to methods in probability and statistics named after the Reverend Thomas Bayes (ca. 1702–1761), in particular methods related to:* the degree-of-belief interpretation of probability, as opposed to frequency or proportion or propensity interpretations; or Bayes' theorem on conditional probability. These methods include: Bayes estimator Bayes factor Bayesian average Bayesian spam filtering Bayesian game Bayesian inference Bayesian information criterion Bayesian mult… (More on Bayesian)