The Penalty Blog

Insights, research, and analysis on football analytics

Actual Goals Versus Expected Goals

Actual Goals Versus Expected Goals

Since my last post about how to calculate expected goals one question has come up more than any other and that is about the correlation between expected goals and actual goals..

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Expected Goals For All

Expected Goals For All

It seems that everybody has their own expected goals models for football nowadays but they all seem to be top secret and all appear to give different results so I thought I post a quick example of one technique here to try and stimulate a bit of chat about the best way to model them.

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Comparing Players Using Cluster Analysis

Comparing Players Using Cluster Analysis

As there were a couple of presentations at the recent Opta Pro Forum talking about identifying player similarities I thought I’d give a quick example of how to do something similar using k-means cluster analysis.

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EPL 2013/2014: Football Pythagorean So Far

EPL 2013/2014: Football Pythagorean So Far

Welome back! Now that I'm no longer part of Onside Analysis I'm free to start blogging again so let's start off by taking a look at how my football Pythagorean is doing for the English Premier League so far this season.

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Anouncement

Anouncement

You may have noticed that my blogging has slowed down over the past few weeks and the reason is that I have joined Onside Analysis as a computational statistician.

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Betting With The Eastwood Index And Kelly Criterion

Betting With The Eastwood Index And Kelly Criterion

I demonstrated in my last post that the odds calculated using the Eastwood Index were slightly more accurate than the bookmakers over the course of the football season. My next goal is to work out the optimal way of using this edge to make a profit, starting off with the Kelly...

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