Why use Bayesian data analysis?

Fundamentals of Bayesian Data Analysis in R

Rasmus Bååth

Data Scientist

Bayes is flexible

1. You can include information sources in addition to the data.
2. You can make any comparisons between groups or data sets.
3. You can use the result of a Bayesian analysis to do Decision Analysis.
4. You can change the underlying statistical model.

Including information in addition to data

• Background information
• Expert opinion
• Common knowledge

Define an informed prior!

Fundamentals of Bayesian Data Analysis in R