R-bloggers

🧪 Diving into PK/PD for the first time — simulating ceftriaxone with mrgsolve in R. Free drug levels were… surprisingly high? Even pushed it to q48h dosing out of curiosity and the results left me with more questions than answers 🤔📈 Motivations Learning pharmacokinetics (PK) and pharmocodynamics (PD) have always been ...

Explaining Time-Series Forecasts with Exact Shapley Values (ahead::dynrmf with external regressors applied to macroeconomic scenarios)

This post is the sixth of a series of seven on population issues in the Pacific, re-generating the charts I used in a keynote speech before the November 2025 meeting of the Pacific Heads of Planning and Statistics in Wellington, New Zealand. The seven ...

OS Software Solutions Pillar Firstly, if you’re reading this wondering what do we mean by a “pillar” then check our introductory blog here. Our OS Software Solutions pillar aims to ensure the industry has a curated ecosystem of open source so...

In the previous post, I argued that understanding TMLE starts with understanding how estimation error behaves. In particular, we saw that influence functions allow us to separate sampling variability from nuisance estimation error. But something subtle...

Since chatGPT, stats academics have been saying that we need to teach coding, but I no longer think we do I’m just about to publish a paper on using large language models to write code for ecological modelling. In the paper we argue for retainin...

I often find requests to ‘declare use of generative AI’ frustratingly vague. There’s so many different potential uses. And use can be reported at so many different levels of granularity. Then there’s many grey areas. My university’s policy is th...

My Presentation at Risk 2026: Lightweight Transfer Learning for Financial Forecasting

This post is the fifth of a series of seven on population issues in the Pacific, re-generating the charts I used in a keynote speech before the November 2025 meeting of the Pacific Heads of Planning and Statistics in Wellington, New Zealand. The seven ...

Two hundred forty-one of the new packages submitted to CRAN in January were still there in mid-February. Here are my Top 40 picks in nineteen categories: Artificial Intelligence, Computational Methods, Data, Dynamical Systems, Ecology, Economics...