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John Chen

John Chen

Finding Similar NBA players with Deep Learning

Player comparisons are a fun way for fans and the media to speculate on the best case scenario for budding stars in the league, but also…

Nov 6, 2023

Finding Similar NBA players with Deep Learning

Nov 6, 2023

John Chen

The Uselessness of Many Season-Long Stats and a Better Alternative

As of 2023–10–3 (today), Julius Randle is shooting a record-setting 27% to start the 2023–2024 NBA season. Naturally, this has led to some…

Nov 4, 2023

The Uselessness of Many Season-Long Stats and a Better Alternative

Nov 4, 2023

John Chen

NBA Analytics In-Game Adjustments: When to use timeouts

In the 2022–2023 NBA playoffs, the head coach of the Boston Celtics, Joe Mazzulla, caught flak for not using a timeout against the 76ers…

Jul 16, 2023

NBA Analytics In-Game Adjustments: When to use timeouts

Jul 16, 2023

John Chen

NBA Lineup Value Models: is the whole just the sum of parts? Implicit role projection

In previous articles [Link 1] [Link 2], I introduced RAPM as a popular all-in-one metric for NBA players. I then built a simple model to…

Jun 19, 2023

NBA Lineup Value Models: is the whole just the sum of parts? Implicit role projection

Jun 19, 2023

John Chen

NBA Player Value Models: Mapping NBA player impact to wins and salary and team

RAPM tries to predict the value of a player relative to league average offensive and defensive efficiency. Given such a metric, the next…

Jun 13, 2023

Jun 13, 2023

John Chen

NBA Analytics In-Game Adjustments : The Art of Time-Wasting

One of the most underappreciated yet most impactful in-game adjustments a team can make is one you may not expect: effective time-wasting.

Jun 9, 2023

NBA Analytics In-Game Adjustments : The Art of Time-Wasting

Jun 9, 2023

John Chen

The NBA Championship Criteria

Every year there is a lot of speculation on which teams could potentially win an NBA championship and which teams are contenders or…

Jun 8, 2023

The NBA Championship Criteria

Jun 8, 2023

John Chen

NBA Player Value Models: XGB-PM, Predicting RAPM with Box Stats and More

In NBA Metrics: Calculating RAPM I covered RAPM as the all-in-one metric for NBA player evaluation and how its calculated. Now, let’s…

Jun 2, 2023

NBA Player Value Models: XGB-PM, Predicting RAPM with Box Stats and More

Jun 2, 2023

John Chen

NBA Player Value Models: Calculating RAPM, the backbone of BPM, RPM, DARKO and most publicly…

Excerpt from NBA Metrics: What is RAPM and its limitations:

May 25, 2023

NBA Player Value Models: Calculating RAPM, the backbone of BPM, RPM, DARKO and most publicly…

May 25, 2023

John Chen

NBA Metrics: What is RAPM and its limitations

The majority of popular publicly available metrics (such as DARKO, LEBRON, EPM, BPM) rely on first calculating RAPM (Regularized Adjusted…

May 25, 2023

May 25, 2023

John Chen

John Chen

Senior MLE @ Meta, Rice U PhD, Ex-Microsoft, Ex-Advance Scout @ Wyoming, Ex-Analytics @ Central Michigan. Find me on LinkedIn: linkedin.com/in/john-c/

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