Marc Lamberts·3d agoI built a football shot-clock model using Markov Decision Processes , and I still don’t trust itI should start with a confession: almost every interesting result in this project showed up first as a bug.A response icon2A response icon2
Marc Lamberts·Jul 8Scouting Uncertainty: adding value to data scouting resultsI have been looking at spreadsheets for football scouting for over a decade, and every now and then, my perception completely changes. The…A response icon1A response icon1
Marc Lamberts·Jun 20Introducing GK Sweeping Quality ScoreIf you are a goalkeeper scout or analyst, the aggregated data from different providers focuses mostly on shot-stopping. If you are…
Marc Lamberts·Jun 4The geometry of control: short passes in Eredivisie 2025–2026If you ever wonder how I get to my ideas and think there’s a ridiculously academic process to it, let me kill that illusion. There isn’t…A response icon2A response icon2
Marc Lamberts·May 8Let’s talk of graves, of worms, and…Radar chartsAs I’m a product of the online data analysis sphere on Twitter (I refuse to call it X), I’m very well familiar with radar charts and pizza…
Marc Lamberts·Apr 4Faster decisions, harder passes? Introducing Time-to-Execute in xPass-modelsThere was a time when I had the means and energy to write a new article every week, but with the appalling state of the world and genuinely…A response icon1A response icon1
Marc Lamberts·Feb 28Introducing Entropy-Adjusted Expected Goals (xG-adj)You can’t escape it if you are interested in football: Expected Goals (xG). Every football app has it listed with the shot data; you can’t…A response icon2A response icon2
Marc Lamberts·Feb 7The stagnation or evolution of zone 14?Once in a while, I have this illusion that I’m well-equipped enough to write a more data-journalistic piece. Don’t worry, the urge will…A response icon1A response icon1
Marc Lamberts·Jan 25Modelling Post-Save Rebound Sequences with Hidden Markov ModelsGoalkeeper data analysis is one of the hardest things I have experienced doing in this space. So why do I keep challenging myself to do it…A response icon2A response icon2
Marc Lamberts·Dec 31, 2025Introducing Expected Second Ball Retention: adding value to second ballsFootball metrics and models are also under the influence of trends within football. One of these trends is the use of set pieces to…A response icon3A response icon3