= Posterior Probability Distribution = A '''posterior probability distribution''' is a probability distribution that reflects some [[Analysis/ConditionalExpectation|conditional]] updating of a [[Statistics/PriorProbabilityDistribution|prior probability]]. <> ---- == Description == The Bayesian workflow begins with an uncertainty term ''θ'', which is a random variable distributed according to ''π(θ)''. Given observations ''X'', the uncertainty term ''θ'' is [[Analysis/ConditionalExpectation|conditionally]] updated and the posterior distribution is notated as ''π|X(θ)''. ---- CategoryRicottone