Analytics Movement

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NBA analytics movement, also known as NBA Moneyball, is a data-driven approach that uses statistical analysis of big data. The old school method, measuring talent by watching, a.k.a. the “eye-test” didn’t die. But now it has an unlikely ally despite the fact that a few people like Charles Barkley still think analytics is crap.

Where Does the Moneyball Term Come From?
Oakland Athletics general manager Billy Beane built successful baseball teams year after year, rather than relying on the gut instincts of old-time scouts, as was standard practice for decades. Writer Micheal Lewis realized another investment game was being played out in baseball, notably by the A's. He gained inside access to A's general manager Billy Beane and got a look at how Beane's value players differently than other teams. Oakland A’s was a low-budget MLB franchise, they attempted to employ an analytics-savvy approach to maintain a high level of success despite limited financial conditions. In 2003, Lewis wrote a book called Moneyball: The Art of Winning an Unfair Game. Oakland evaluated offensive efficiency differently than others, stressing on-base percentage and power, de-emphasizing stolen bases and putting the ball in play. It has engendered an approach to acquiring talent based as much on statistical achievement as on traditional tools, an approach that has gripped some franchises and galled many traditionalists.

In What Ways NBA Teams Utilize Analytics?
For the time being, the every NBA team has embraced analytics, as they employ analytics staff who directly work with or reports to technical staff as well as front office executives.

Analytics has been relied on heavily for;

  • evaluation and development of players,
  • contract negotiations,
  • in-game decision making,
  • selecting draft picks,
  • trades,
  • infusing practices,
  • player health management.
What Type of Data Has Been Used?
Before video tracking era, analytics departments of teams were crunching numbers with tools such as StatsCube, Synergy.
Video tracking has been considered to be a milestone for NBA analytics movement.
Dean Oliver is to the NBA what Bill James is to baseball. In 2004, he wrote “Basketball on Paper”, there were only a handful of stat-heads in NBA front offices and fans didn’t have much interest to numbers. He introduced possession-based stats and four factors with the basketball community.

In the following years, APBR forum, and several websites and countless blogs including NBAstuffer came in and became popular sources for statistical hoops analysis. Those websites focused on plus-minus metrics, shot efficiency and spatial analysis with the help of play-by-play data.

B.1.) SPORTVU, 2010-2016
In 2008, STATS has acquired SportVu, a video tracking tool which was originally developed for soccer. Basically, SportVu adds the third dimension to the traditional stats. Positioning data for all 10 players, 3 referees and the ball can be captured with 25 pictures per second. In the 2010-11 season, Dallas Mavericks, Houston Rockets, Oklahoma City Thunder and San Antonio Spurs jumped in this technology and installed cameras. The next season, Celtics and Golden State Warriors were added. Starting from the 2013-14 season, NBA made SportVu cameras installed in every arena. With this move, the NBA became the first American sports league to use player tracking in every game. As a result, the amount of data is exploded. Instead of stat-geeks, computer engineers and data scientists with machine learning skills have started to be targeted by NBA teams.
B.2.) SECOND SPECTRUM, 2017-Present
Starting from 2017-2018 season, the NBA switched from STATS & SportVU to Sportradar & Second Spectrum alliance.

The Three-point Revolution
One can easily suggest that the three-point shots have altered the NBA fundamentally. It is being considered as a revolutionary, desirable strategy for any team in the last 10 years. Since the introduction in 1979, the efficiency of three-point shots was massively ignored. But, today each team has embraced 3P shooting so well that the average of three-points taken has risen to 27 in 2017.

NBA Three Point Shot Attempts by Years

Thanks to playing “Moreyball“, the Rockets leads the league in 3PT attempts per game at 42.6, which makes more than a half of their total points scored.

The value of three-point shooting is so high that more players have started to shoot threes. For example, Mehmet Okur, a center who was good at shooting threes, attempted roughly four 3P shots per game in the 2000’s. At his time, this was a huge thing. Now, there are a dozen of bigs who like to shot three.

Articles Covering NBA Analytics Movement
We have put together some of the articles covering the key milestones reached, chronologically:
February 13, 2009. “The no-stats all-star” written by Micheal Lewis
March 24, 2009. “Don’t deny NBA stats geeks the truth” written by Bill Simmons
October 23, 2009. “NBA dives headlong into new era of statistical analysis” written by John Schuhmann
May 19, 2012. “Player tracking transforming NBA analytics” written by Zach McCann
March 19, 2013. “Lights, Cameras, Revolution” written by Zach Lowe
February 23, 2015. “Strength of each franchise’s analytics staff” written by Kevin Pelton
June 25, 2015. “The rise of data analysis Is changing the NBA” written by Terrance Ross
October 18, 2017. “Data analytics have made the NBA unrecognizable” written by Dan Kopf