Basketball Terms Ipsum

Defensive rating (available since the 1977-78 season in the nba); for players and teams it is points allowed per 100 posessions. this rating was developed by dean oliver, author of basketball on paper. i will point you to dean's book for complete details. field goals (includes both 2-point field goals and 3-point field goals) gmsc gs league mvp mov offensive rebounds (available since the 1973-74 season in the nba) orb% possessions (available since the 1973-74 season in the nba); the formula for teams is 0.5 * ((tm fga + 0.4 * tm fta - 1.07 * (tm orb / (tm orb + opp drb)) * (tm fga - tm fg) + tm tov) + (opp fga + 0.4 * opp fta - 1.07 * (opp orb / (opp orb + tm drb)) * (opp fga - opp fg) + opp tov)). this formula estimates possessions based on both the team's statistics and their opponent's statistics, then averages them to provide a more stable estimate. the formula for players is rather lengthy and can be found in dean oliver's book. turnover percentage (available since the 1977-78 season in the nba); the formula is 100 * tov / (fga + 0.44 * fta + tov). turnover percentage is an estimate of turnovers per 100 plays. pythagorean wins; the formula is g * (tm pts14 / (tm pts14 + opp pts14)). the formula was obtained by fitting a logistic regression model with log(tm pts / opp pts) as the explanatory variable. using this formula for all baa, nba, and aba seasons, the root mean-square error (rmse) is 3.14 wins. using an exponent of 16.5 (a common choice), the rmse is 3.48 wins. (note: an exponent of 10 is used for the wnba.) the estimated probability that team a will defeat team b in a given matchup..

2pa 3-point field goal percentage (available since the 1979-80 season in the nba); the formula is 3p / 3pa. assist percentage (available since the 1964-65 season in the nba); the formula is 100 * ast / (((mp / (tm mp / 5)) * tm fg) - fg). assist percentage is an estimate of the percentage of teammate field goals a player assisted while he was on on the floor. the formula is (award points) / (maximum number of award points). for example, in the 2002-03 mvp voting tim duncan had 962 points out of a possible 1190. his mvp award share is 962 / 1190 = 0.81. dws fg% ft games behind; the formula is ((first w - w) + (l - first l)) / 2, where first w and first l stand for wins and losses by the first place team, respectively. opponent per per game strength of schedule; a rating of strength of schedule. the rating is denominated in points above/below average, where zero is average. my colleague doug drinen of pro-football-reference.com has written a great explanation of this method. trb% ts% w ws/48 year that the season occurred. since the nba season is split over two calendar years, the year given is the last year for that season. for example, the year for the 1999-00 season would be 2000..

2pa 3-point field goals (available since the 1979-80 season in the nba) 3-point field goal percentage (available since the 1979-80 season in the nba); the formula is 3p / 3pa. the formula is (award points) / (maximum number of award points). for example, in the 2002-03 mvp voting tim duncan had 962 points out of a possible 1190. his mvp award share is 962 / 1190 = 0.81. blk defensive rebounds (available since the 1973-74 season in the nba) defensive win shares; please see the article calculating win shares for more information. field goal attempts (includes both 2-point field goal attempts and 3-point field goal attempts) free throw percentage; the formula is ft / fta. gb opp offensive rebounds (available since the 1973-74 season in the nba) a statistic (e.g., assists) divided by minutes played, multiplied by 36. pprod rookie of the year sos strength of schedule; a rating of strength of schedule. the rating is denominated in points above/below average, where zero is average. my colleague doug drinen of pro-football-reference.com has written a great explanation of this method. stops; dean oliver's measure of individual defensive stops. please see dean's book for details. team trb% w the estimated probability that team a will defeat team b in a given matchup..