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The Herfindahl index, also known as Herfindahl-Hirschman Index or HHI, is a measure of the size of firms in relationship to the industry and an indicator of the amount of competition among them.
The Herfindahl Index can be used to measure scoring balances for NBA teams.
To calculate HHI for each team: (1) divide each player's points scored by the total number of points scored by the team, (2) square that result for each player, (3) sum those squares.
|Home Court Advantage|
The home-court advantage is the net effect of several factors that may have an (generally positive) effect on the play of the home team and an (generally negative) effect on the play of the road team.
|How the NBA Schedule is Made|
Download NBA league or team schedules in Excel format including own and opponent rest days.
Matt Winick, who stepped down in September 2014 as Senior Vice President of Scheduling and Game Operations, had been the architect of the NBA schedule for more than 20 seasons. In his interview with ESPN, he unveiled how he responds to complaints about strength of schedule and common questions on building the NBA schedule. According to Matt Winick, the NBA sets the league schedule to accomplish both competitive balance and a reduction of costs. The goal of the NBA schedule, as it is constructed, is to be efficient from a competitive standpoint with an indirect consideration of travel costs.
Matt Winick has a complicated system that assigns a point value to each date or series of dates a team makes available. The point system rewards a team for making several consecutive dates available instead of insisting on a particular date. Each time team must amass at least 50 points. Generally, teams play 3.5 games in a week and those 82 games take roughly 165 days through the end of regular season.
In MIT Sloan Sports Analytics Conference 2016, Evan Wasch who is the Senior Vice President of Basketball Strategy & Analytics for the NBA has presented the most recent challenges and improvements in NBA scheduling.
Getting started in February, NBA schedule have usually been released in the first weeks of August.
Factors that have an impact on setting NBA schedule can be summarized as follows:
1. NBA SCHEDULING FORMULA
Each team have to play:
A five year rotation determines which out-of-division conference teams are played only 3 times.
2. COURT AVAILABILITY
All teams, about a month before the end of the preceding regular season, have to submit to the NBA office a list of:
3. OFFICIAL BREAKS (on which no games are played)
The conflicts such as NHL games on the same court have to be resolved.
Games can be moved to satisfy the NBA's TV partners (ABC, ESPN and TNT). Game times can be tweaked.