Gertjan Verhoeven

Data Scientist / Policy Advisor

Dutch Healthcare Authority


I am a research scientist at the Dutch Healthcare Authority and extramural fellow at Tilburg University, working on health policy and statistical methods. I have a background in experimental physics, with a PhD in Biophysics.


  • Bayesian Statistics
  • Health Policy
  • Causal Inference
  • Machine Learning


  • PhD in Biophysics, 2008

    Leiden University

Recent Posts

Statistical computing on a shoestring: Stan in the Azure cloud using Cloud-init

Automating deployment of an inexpensive Linux R/Stan development environment in the Azure public cloud.

The Super League: Tournament Blood Bowl online

Yet another Blood Bowl post! This one is to introduce the Super League, the ultimate tournament-style Blood Bowl available online.

Visualizing Blood Bowl Tournament rosters

Yet another Blood Bowl post! This one is to warm up to the upcoming World Cup, analyzing variation in Tournament Roster choices.

Classifying Blood Bowl teams using clustered heatmaps

Restate my assumptions: If you graph the numbers of any system, patterns emerge. In this post we’ll use clustered heatmaps to …

Optimal performance with Random Forests: does feature selection beat tuning?

This blog post demonstrates that the presence of irrelevant variables can reduce the performance of the Random Forest algorithm (as …