I’ve been a big fan of the visreg package for a while, it makes it convenient to plot predictions from models. But recently I was struggling with a model that had many two-way interactions terms. I checked out the key alternative to visreg, ggef...

Compositional data, where observations represent proportions that sum to a constant, are ubiquitous in ecology, yet many analysts fall back on problematic approaches like separate binomial models, beta regression on ratios, or worse, standard linear regression on raw proportions. These methods ignore the fundamental constraint that proportions must sum to ...

Introducing RPweave, a unified document system that seamlessly integrates R, Python, and LaTeX for reproducible research and professional typesetting.

So this is a blog post about making and finding an error in modelling strategy, in an apparently simple situation. I saw this post (toot?) on Mastodon from Daniel Lakens mentioning in passing that “On the other hand, the homicide rate across the world...

Python 3.14 was released on 7th October 2025. Here we summarise some of the more interesting changes and some trends in Python development and data-science over the past year. We will highlight the following: the colourful Python command-line interface; project-management tool uv; free-threading; and a brief summary of other developments. The Python 3.14 ...

If this post is useful to you I kindly ask a minimal donation on Buy Me a Coffee. It shall be used to continue my Open Source efforts. The full explanation is here: A Personal Message from an Open Source Contributor. You can send me questions for...

This post contains a riddle/puzzle related to T. Moudiki's situation, including files and code snippets in R, Python, and bash. The ZIP file with a lot of details is available for download. An update with hints is provided.

The paper The Ten-Year Cycle in Numbers of the Lynx in Canada by Charles Elton and Mary Nicholson is a foundational work in population ecology and wildlife dynamics. They documented the regular, roughly ten-year population cycle of the Canadian Lynx (Lynx canadensis), observed in fur trade records from the Hudson’...

The future package celebrates ten years on CRAN as of June 19, 2025. I got a bit stalled over the holidays and while attending the fantastic useR! 2025 conference, but, as promised, here is the fourth in a series of blog posts highlighting recent...

The cpp4r package aims to help users to interact with R objects using C++ code.