Goalie stats are very different from skater stats. Whilst, I plan on getting to it eventually, this rating system only applies to skaters and not goalies. Data were cleaned for missing values and were passed into Pandas for analysis. It should be noted that I only considered advanced statistical data for where the game situation is at even-strength. Using Python’s beautifulsoup library, I scraped more traditional statistics (such as goals, assists, points, etc.)from whilst the advanced metrics were provided by Advanced hockey statistics from corsica hockey starts in 2008, hence, I have data for nearly 2000 players, spanning 2008–2018. Traditional statistics concern metrics like goals and assists (total being known as points), plus-minus, penalty minutes and time on ice, whilst advanced player metrics deal more with player behavior and puck possession. The final data-set used is a combination of traditional and advanced player metrics. Here, I will use the same performance data-set to produce player ratings. In a previous post, I produced a model to predict player salary using various performance metrics. But it did get me wondering if it could be possible to make my own player rating system (let’s call it the Sigmoid player Rating SPR) using nothing but good old player metrics. However, in reality, how can you measure intensity or aggression, or even stick handling ability to the point where you can score it in comparison to everyone else? The whole concept of EAS rating system (for all of their sports games) is a bit of a secret sauce to which little is known. For example, speed, acceleration, shot power and shot accuracy (or similar), stick handling ability, stamina, aggression, intensity, and many more are used. According to each player bio and profile, the total score (usually running from around 70 to 100) is derived from a combination of various parameters attributed to each player. Playing EA sports (EAS) NHL (or “Chel” as it known) over the years, I have often wondered how they come up with their player ratings.
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