Mathematically Optimising Your Fantasy Football Team

Posted by Martin Eastwood July 24, 2014 6 Comments 1404 views
The Premier League’s fantasy football is back ready for the new season so I thought I’d run through an example of how linear programming can help you select your team. If you haven’t come across linear programming before it’s...

Expected Goals And Exponential Decay

Posted by Martin Eastwood April 22, 2014 12 Comments 1669 views
In my last article on expected goals I showed how to incorporate the distance from goal along the Y axis into the expected goal model using Pythagoras’ Theorem. This all worked pretty well, giving us an r squared value of 0.95. However, while...

Expected Goals: The Y Axis

Posted by Martin Eastwood April 16, 2014 14 Comments 1483 views
Expected goals are one of the hot topics in the football analytics community at the moment and it’s a topic I’ve previously written a number of articles on discussing how to calculate them. If you haven’t read those pieces yet...

Introducing The Pena.lt/y Web App

Posted by Martin Eastwood April 11, 2014 10 Comments 1176 views
I’ve been publishing various football odds and predictions on the site here since its inception so I thought it was time to get  a bit more organised about it. I’d started refactoring all my code recently to automate it so that the...

English Premier League Pythagorean Update

Posted by Martin Eastwood April 4, 2014 2 Comments 1237 views
I’ve not posted an update on the Pythagorean for the English Premier League (EPL) for a while so the latest figures are below. Football Pythagorean In case you haven’t seen it before, my football Pythagorean is an adaptation of the baseball...

Expected Goals: Updated

Posted by Martin Eastwood March 1, 2014 0 Comment 1168 views
When I introduced my Expected Goals model a few weeks back a number of people commented on the bump in the curve where I had included penalty shots in the data set used to fit the model. The reason I’d originally left penalties in was I felt...

Actual Goals Versus Expected Goals

Posted by Martin Eastwood February 15, 2014 0 Comment 1467 views
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 so here you go: The correlations look pretty good, 0.86 for goals for...

Expected Goals For All

Posted by Martin Eastwood February 12, 2014 23 Comments 3233 views
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...

Comparing Players Using Cluster Analysis

Posted by Martin Eastwood February 10, 2014 6 Comments 1713 views
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. The Data All the data used in...

EPL 2013/2014: Football Pythagorean So Far

Posted by Martin Eastwood January 20, 2014 2 Comments 1476 views
Between work, life, kids etc it’s been a while since I posted much on my blog here but I managed to grab a little free time so I thought I’d add a post about how my football Pythagorean was looking for the English Premier League so far...
  • Martin Eastwood

    Yes, I set the constraints to use a 3-4-3 formatio …

  • jester112358

    Loved the post. Didn't read the code, but in th …

  • EV

    Good work. Will follow this. Possibly try differen …

  • Martin Eastwood

    It's the average rps of all the forecasts so indiv …

  • Thomas

    Sorry the comment was indented for post: http://p …

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