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Hockey Stat Primer

A collection of posts that are primers for hockey stats.

An All About the Jersey Hockey Stat Primer: Goals Above Replacement & Game Score

In a final part for 2020 for the All About the Jersey hockey stat primer, this post summarizes two catch-all statistics: Game Score by Dom Luszczyszyn and Goals Above Replacement (Wins Above Replacement) by Josh and Luke Younggren of Evolving-Hockey.

An All About the Jersey Hockey Stat Primer: Three Common Biases in Stats

Hockey stats are not perfect, not even the "advanced" stats. This post goes over three common biases in stats: the streetlight effect, success bias, and scorer bias. It includes a turkey sub, Scott Wedgewood, and some team stats from last season.

An All About the Jersey Hockey Stat Primer: Goaltending

Continuing the series of primers about hockey stats, this post focuses on goaltending. This includes save percentages, quality starts, goals saved above average, and a return of expected goals. All with Devils-appropriate examples.

An All About the Jersey Hockey Stat Primer: Teammates and Competition

Continuing the series of primers about hockey stats, this post focuses on teammates and competition. This includes an explanation of why they are not used at a season level, why they are more valuable at a game-to-game level, and a couple of tools used for both with Devils players used as examples to demonstrate these concepts.

An All About the Jersey Hockey Stat Primer: Scoring Chances & Expected Goals

Continuing the series of primers about hockey stats, this post focuses on scoring chances and expected goals. This includes an explanation of what a chance is, where danger came from, a brief history of expected goals, and multiple Devils used as examples for these concepts.

An All About the Jersey Hockey Stat Primer: Shooting and Save Percentages and PDO.

Continuing the series of primers about hockey stats, this post focuses on shooting percentage, save percentage, and PDO. This also includes the Law of Large Numbers, the Gambler’s Fallacy, and plenty of Kyle Palmieri.

An All About the Jersey Hockey Stat Primer: Corsi

As requested by one of the People Who Matter, this post will kick off a series of primers of hockey stats to better explain what they are, what they are not, and how they are used. This post focuses on Corsi, which are shooting attempts.