Basketball Terms Ipsum
Word Lists: Basketball Terms
2pa 3p dpoy defensive rebound percentage (available since the 1970-71 season in the nba); the formula is 100 * (drb * (tm mp / 5)) / (mp * (tm drb + opp orb)). defensive rebound percentage is an estimate of the percentage of available defensive rebounds a player grabbed while he was on the floor. 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) field goal percentage; the formula is fg / fga. fga ft free throws g games 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 mvp per pf rookie of the year srs stl total rebound percentage (available since the 1970-71 season in the nba); the formula is 100 * (trb * (tm mp / 5)) / (mp * (tm trb + opp trb)). total rebound percentage is an estimate of the percentage of available rebounds a player grabbed while he was on the floor. ws.
Assists 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 rebounds (available since the 1973-74 season in the nba) gb 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 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. tm team turnovers (available since the 1977-78 season in the nba) tsa 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.) win probability.
3-point field goals (available since the 1979-80 season in the nba) award share defensive win shares; please see the article calculating win shares for more information. effective field goal percentage; the formula is (fg + 0.5 * 3p) / fga. this statistic adjusts for the fact that a 3-point field goal is worth one more point than a 2-point field goal. for example, suppose player a goes 4 for 10 with 2 threes, while player b goes 5 for 10 with 0 threes. each player would have 10 points from field goals, and thus would have the same effective field goal percentage (50%). free throws losses lg minutes played (available since the 1951-52 season) margin of victory; the formula is pts - opp pts. ows a statistic (e.g., assists) divided by minutes played, multiplied by 36. points produced; dean oliver's measure of offensive points produced. please see dean's book for details. srs 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. steals (available since the 1973-74 season in the nba) tov 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. tsa usg% wins over .500; the formula is (w - l) / 2. ws year.
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Assists 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 rebounds (available since the 1973-74 season in the nba) gb 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 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. tm team turnovers (available since the 1977-78 season in the nba) tsa 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.) win probability.
3-point field goals (available since the 1979-80 season in the nba) award share defensive win shares; please see the article calculating win shares for more information. effective field goal percentage; the formula is (fg + 0.5 * 3p) / fga. this statistic adjusts for the fact that a 3-point field goal is worth one more point than a 2-point field goal. for example, suppose player a goes 4 for 10 with 2 threes, while player b goes 5 for 10 with 0 threes. each player would have 10 points from field goals, and thus would have the same effective field goal percentage (50%). free throws losses lg minutes played (available since the 1951-52 season) margin of victory; the formula is pts - opp pts. ows a statistic (e.g., assists) divided by minutes played, multiplied by 36. points produced; dean oliver's measure of offensive points produced. please see dean's book for details. srs 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. steals (available since the 1973-74 season in the nba) tov 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. tsa usg% wins over .500; the formula is (w - l) / 2. ws year.