GTPM.ai coming soon!
Welcome to the new GTPM.ai! This site is very much under construction. To be informed of the official launch of the site, follow us on Twitter or LinkedIn. The old site can be found here: https://www.greaterthanplusminus.com.
PLAY, a Playmaking Metric, Part 2: Altruistic Contribution
Part 1 of this series on a new playmaking metric PLAY, we gave an overview, and discussed marginal contribution, which is basically some form of WOWY. See here for Part 1 and here for the full paper. In this part, we’ll discuss competitive and altruistic contributions. Altruistic contribution is what we’ll use to compute PLAY. Competitive and Altruistic Contributions So we have this WOWY for every player, and we are going to decompose it into two parts, competitive contribution (Comp) and altruistic contribution (Alt).
PLAY, A Playmaking Metric, Part 1: Intro
I wanted to share a recent project I did with friends and colleagues Chris Weld and Chris Arney titled Quantifying playmaking ability in hockey. The one sentence summary is that we developed a metric for quantifying playmaking ability in hockey that is better than assists in two quantifiable ways: (1) it is more consistent than assists, and (2) it is better than assists at predicting future assists. In this article, we’ll give an overview of what we’re doing, and the motivation behind it.
Realignment in Professional Sports
I recently finished a paper on realignment with friend and colleague Bill Pulleyblank. The purpose of the project was to determine solutions to realignment that minimize travel for the league. We also compare our best solutions to the NHL 4-conference proposal from around a year ago. I also wrote a couple of articles about it on Hockey Prospectus. Links to everything, plus some animations that are discussed in the second Hockey Prospectus article, can be found below.
Adjusted Plus-Minus
Many of the projects I’ve worked on are related to Adjusted Plus-Minus (APM), so I thought I’d make that my first real, actual post. APM is a plus-minus-like statistic that improves over plus-minus in many ways. Over at behindthenethockey.com and/or arcticicehockey.com, I wrote a four-part blog series describing how the statistic is calculated, the improvements that it is has over plus-minus, and some of the results for best offensive, defensive, and overall players at even strength.