Quick Comparison of Four Public Expected Goal Models

Last week I wrote about SportLogiq and its Expected Goals model and how it compared to public expected goal models. I just wanted to expand on that a little by comparing four public expected goal models and how they performed over the past 5 seasons. The most rudimentary method to evaluate an expected goals model … Read more

Down the xG Rabbit Hole

This post on Twitter the other day really sent me down a rabbit hole for a good portion of the past two days. I think evaluating and comparing models is both interesting and valuable. Where do models differ? Where are they the same? Do the differences expose potential biases in one or both models? However … Read more