👉 In statistics, a posteriori is a mathematical concept that refers to the probability distribution of future outcomes based on past data. It is often used in Bayesian inference and provides an estimate of the likelihood or uncertainty associated with the current state of a parameter. The term "posterior" comes from the Latin word "post," which means "after." In Bayesian statistics, the posterior is the result of integrating over all possible future outcomes to determine the probability distribution of a parameter. This process is known as Bay