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Bayes Factor

Workshop 20 - Winter Semester 2025-26

Overview

This workshop introduces Bayes Factors as a tool for model selection and hypothesis testing in Bayesian statistics.

Learning Objectives

  • Understand Bayes Factors as evidence ratios
  • Use Savage-Dickey method for hypothesis testing
  • Interpret Bayes Factor scales (Jeffreys, Lee & Wagenmakers)
  • Distinguish Bayes Factors from ROPE and LOO

Topics Covered

  • Savage-Dickey density ratio method
  • Using hypothesis() in brms
  • Bridge sampling for complex models
  • Bayes Factor interpretation and sensitivity
  • Integration with ROPE for complete inference

Prerequisites

  • Basic knowledge of Bayesian statistics
  • Familiarity with R programming
  • Understanding of hypothesis testing

Materials

Materials will be available after the workshop.

Instructor

Job Schepens
Project S, SFB 1252
University of Cologne

Session Details

Date: 15 April 2026
Time: 14:00 - 15:30
Location: House of Prominence, Attic, Luxemburger Str. 299, Cologne


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