Conjugate Posteriors

Overview

Teaching: min
Exercises: min
Questions
Objectives

Conjugate Posteriors

If we think The sum \(\alpha + \beta\) is most naturally thought of as a prior observation count plus two. The reason for the plus two is that one is subtracted in each of the exponents, \(\alpha - 1\) and \(\beta - 1\), and a total count of two is required to reach a uniform distribution, corresponding to an observation count of zero.

Key Points