Archive for November 2013

An Evaluation of the Total Hockey Rating (THoR), Part II

This is the second part of a series that looks in more depth at the Total Hockey Ratings that we developed.  In Part I, I looked at the year to year correlations for THoR,  Gabe Desjardins’ Corsi Rel and  (HART) .  We found that THoR was a more reliable predictor than the other two metrics.  As I mentioned at the end of that post, this internal consistency is good but for a metric to be useful it has to also be valid.  We’ll see below that THoR  […]

An Evaluation of the Total Hockey Rating (THoR), Part I

Back in March our Total Hockey Ratings finished 2nd as part of the MIT Sloan Sports Analytics Conference Research Paper Competition.  That drew plenty of attention to the outcomes but little to the underlying process and methods.  In this and a couple more posts we’ll take a look and evaluate how well THoR does as a two-way hockey metric.  I’ll start by comparing some of the omnibus (all inclusive) player ratings.  My goal is to   consider how these ratings do at predicting future performance  […]