Basketball Terms Ipsum

2-point field goal percentage; the formula is 2p / 2pa. 3p 3-point field goal percentage (available since the 1979-80 season in the nba); the formula is 3p / 3pa. age age; player age on february 1 of the given season. 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. blk defensive player of the year dws field goals (includes both 2-point field goals and 3-point field goals) fga ft four factors gmsc losses offensive rating (available since the 1977-78 season in the nba); for players it is points produced per 100 posessions, while for teams it is points scored per 100 possessions. this rating was developed by dean oliver, author of basketball on paper. i will point you to dean's book for complete details. 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. pts points tm tov% trb% ts% 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-l% the estimated probability that team a will defeat team b in a given matchup..