Basketball Terms Ipsum

Assists block percentage (available since the 1973-74 season in the nba); the formula is 100 * (blk * (tm mp / 5)) / (mp * (opp fga - opp 3pa)). block percentage is an estimate of the percentage of opponent two-point field goal attempts blocked by the player while he was on the floor. dpoy drb drtg dean oliver's "four factors of basketball success"; please see the article four factors for more information. l pyth minutes played (available since the 1951-52 season) mov margin of victory; the formula is pts - opp pts. player efficiency rating (available since the 1951-52 season); per is a rating developed by espn.com columnist john hollinger. in john's words, "the per sums up all a player's positive accomplishments, subtracts the negative accomplishments, and returns a per-minute rating of a player's performance." please see the article calculating per for more information. also see vaa and var. personal fouls sos steal percentage (available since the 1973-74 season in the nba); the formula is 100 * (stl * (tm mp / 5)) / (mp * opp poss). steal percentage is an estimate of the percentage of opponent possessions that end with a steal by the player while he was on the floor. trb% usage percentage (available since the 1977-78 season in the nba); the formula is 100 * ((fga + 0.44 * fta + tov) * (tm mp / 5)) / (mp * (tm fga + 0.44 * tm fta + tm tov)). usage percentage is an estimate of the percentage of team plays used by a player while he was on the floor. w > .500 won-lost percentage; the formula is w / (w + l). win shares per 48 minutes (available since the 1951-52 season in the nba); an estimate of the number of wins contributed by the player per 48 minutes (league average is approximately 0.100). please see the article calculating win shares for more information. year 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..

3-point field goals (available since the 1979-80 season in the nba) block percentage (available since the 1973-74 season in the nba); the formula is 100 * (blk * (tm mp / 5)) / (mp * (opp fga - opp 3pa)). block percentage is an estimate of the percentage of opponent two-point field goal attempts blocked by the player while he was on the floor. drb drb% efg% ft% free throw percentage; the formula is ft / fta. fta games started (available since the 1982 season) minutes played (available since the 1951-52 season) margin of victory; the formula is pts - opp pts. offensive rebound percentage (available since the 1970-71 season in the nba); the formula is 100 * (orb * (tm mp / 5)) / (mp * (tm orb + opp drb)). offensive rebound percentage is an estimate of the percentage of available offensive rebounds a player grabbed while he was on the floor. per per game pf pprod sixth man of the year sos stl% tov% trb total rebounds (available since the 1950-51 season) w > .500 win shares; an estimate of the number of wins contributed by a player. please see the article calculating win shares for more information. ws/48 win shares per 48 minutes (available since the 1951-52 season in the nba); an estimate of the number of wins contributed by the player per 48 minutes (league average is approximately 0.100). please see the article calculating win shares for more information. win probability.

. Age; player age on february 1 of the given season. ft free throws gb turnovers (available since the 1977-78 season in the nba). Drb l pyth. 3p age award share blk 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. defensive win shares; please see the article calculating win shares for more information. field goals (includes both 2-point field goals and 3-point field goals) ft free throw percentage; the formula is ft / fta. four factors l pyth lg opponent orb a statistic (e.g., assists) divided by games. pf 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. roy steals (available since the 1973-74 season in the nba) stops; dean oliver's measure of individual defensive stops. please see dean's book for details. trb w > .500 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.).