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Tuesday, January 31st, 2012 at 12:51 pm  |  one response

Jan. 31: NERD Rankings (Team)

The East continues to dominate in this week’s updated team efficiency ratings.

numberFire is a sports analytics platform that uses algorithmic modeling to better understand sports—and they’ve developed the numberFire Efficiency Rating Derivative (NERD) to better evaluate every team in the NBA using offensive and defensive efficiency numbers. The nerdier, the better, according to these guys. The NERD rating for teams shows complete production on both sides of the ball. The team ranking is on a scale from 0-100, with 50 as the League average. This ranking is predictive of the team’s ultimate winning percentage. For example, in the 2010-11 season, the Bulls ended with a 75.1 NERD rating—and a 75.6 win percentage. To calculate the NERD rankings we use the Four Factors, which are the factors most predictive in winning games: shooting, turnovers, rebounding, and fouls. Visit numberFire to check out a detailed explanation of the NERD stat for team efficiency and basketball efficiency stats in general.

Below are numberFire’s NBA team power rankings to this point in the year. “Playoffs” and “Champs” refer to each team’s odds of making the playoffs and winning the NBA Finals. “Off.” and “Def.” refer to the teams’ offensive and defensive ratings; these represent the points scored and allowed per 100 possessions.


numberFire says:

The New York Knicks continue their downward spiral, having lost three straight. As a result, their probability of making the playoffs has dropped another 24.6%, giving them about a one-in-five chance of seeing post-season action. The main reason for their decline is a lack of offensive efficiency. Amar’e Stoudemire is shooting a career-low 42.8%—his career average is 53.3%. His 0.96 points per possession is by far the lowest in his career as well. The only time he was close to that figure was in his rookie and sophomore years. Also, Toney Douglas is shooting an abysmal 32.3% while still using over a quarter of the Knicks’ possessions.

With three straight wins over big-time opponents (Oklahoma City, Denver, and Memphis) the Clippers have increased their chances of making the playoffs by 10% since last week. Despite popular opinion, the Clippers actually do a solid job taking care of the ball. They are tied for No. 4 in the League in turnover rate at 13.3% (League average is 14.3%). The Clippers are also tied for fourth in the league in effective field goal percentage, which includes the value of three-pointers, at 50.8%. It’s on the defensive side of the ball where Clippers struggle a bit—they foul opponents more than any other team except for the Warriors and Raptors—two teams with which you do not want to be grouped.

The Orlando Magic are in the midst of an embarrassing skid, and own the largest decrease in NERD since last week, dropping by 8. Since last Monday, the Magic are 1-5, suffering losses to bad teams (like the Hornets) and enormous comeback losses (like against Celtics). What’s more, Dwight Howard and company have scored under 70 points in three of those games, including a disgusting 56-point performance against Boston. For a team that was just recently the third-best offense in the League, the Magic now rank No. 19, scoring just 101.7 points per 100 possessions. The only bright spot is that thanks to Dwight Howard, they are still the best rebounding team in the league, securing 77.8% of available defensive rebounds.

The NERD power rankings are powered by numberFire, a sports analytics platform that uses algorithmic modeling to better understand sports. Follow Nik Bonaddio at @numberfire, and Keith Goldner at @drivebyfootball. Check out numberFire on Facebook.

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  • http://slamonline.com/ Abe Schwadron

    The only place where the Wizards are better than 4 other NBA teams. I’m starting to love you NERDs!

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