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Term Definition
Four Factors
Author: Dean Oliver

The key factors which help get a better understanding of what wins a basketball game. These factors can be used to help identify a team’s strategic strengths and weaknesses.

  • Shooting the ball

Effective Field Goal Percentage=(Field Goals Made) + 0.5*3P Field Goals Made))/(Field Goal Attempts)

  • Taking care of the ball

(Turnovers)/(Possessions)

  • Offensive rebounding

Offensive Reboundin Percentage = (Offensive Rebounds)/(Offensive Rebounds)+(Opponent's Defensive Rebounds)

  • Getting to the foul line

(Free Throw Attempts)/(Field Goals Attempts) or FTA/FGA

Comments: While these are the four essential factors that decide winning and losing in the NBA, the factors do not carry equal weight. Each statistic measures a separate skill — there’s no reason that a team can’t shoot well, commit few turnovers, rebound a high percentage of its misses and make frequent trips to the free throw line. At the same time, a team can compensate for poor performance in one area by outstanding performance in another — hitting the offensive boards on a poor shooting night, for example.
 
Free Throw Conversion

The ability to get to the free throw line, and the ability to make free throws. Two metrics are used the measure free throw conversion.

(Free Throws Attempted)/(Field Goal Attempts) explains how often a team shoots free throws

(Free Throws Made)/(Field Goal Attempts) explains how well a team shoots at the line in addition to how often they get there

 


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