# Posts tagged Bayesian workflow

## Counterfactual inference: calculating excess deaths due to COVID-19

- 08 July 2022
- intermediate

Causal reasoning and counterfactual thinking are really interesting but complex topics! Nevertheless, we can make headway into understanding the ideas through relatively simple examples. This notebook focuses on the concepts and the practical implementation of Bayesian causal reasoning using PyMC.

## Model building and expansion for golf putting

- 02 April 2022
- how-to, intermediate

**This uses and closely follows the case study from Andrew Gelman, written in Stan. There are some new visualizations and we steered away from using improper priors, but much credit to him and to the Stan group for the wonderful case study and software.**