Basketball Terms Ipsum

Ast defensive win shares; please see the article calculating win shares for more information. losses 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. per game 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 stops; dean oliver's measure of individual defensive stops. please see dean's book for details. tsa true shooting attempts; the formula is fga + 0.44 * fta. 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.

2-point field goal percentage; the formula is 2p / 2pa. 2-point field goal attempts 3p% age; player age on february 1 of the given season. ast% blocks (available since the 1973-74 season in the nba) defensive player of the year defensive rebounds (available since the 1973-74 season in the nba) dws free throw percentage; the formula is ft / fta. game score; the formula is pts + 0.4 * fg - 0.7 * fga - 0.4*(fta - ft) + 0.7 * orb + 0.3 * drb + stl + 0.7 * ast + 0.7 * blk - 0.4 * pf - tov. game score was created by john hollinger to give a rough measure of a player's productivity for a single game. the scale is similar to that of points scored, (40 is an outstanding performance, 10 is an average performance, etc.). lg minutes played (available since the 1951-52 season) mov orb% pace personal fouls poss pts roy stops; dean oliver's measure of individual defensive stops. please see dean's book for details. team trb total rebounds (available since the 1950-51 season) wins 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..

G offensive win shares; please see the article calculating win shares for more information. personal fouls simple rating system; a rating that takes into account average point differential and 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. true shooting percentage; the formula is pts / (2 * tsa). true shooting percentage is a measure of shooting efficiency that takes into account field goals, 3-point field goals, and free throws. wins over .500; the formula is (w - l) / 2..