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Passer rating is a measure of the performance of passers, primarily quarterbacks, in gridiron football. There are two formulas currently in use: one used by both the National Football League (NFL) and Canadian Football League (CFL), and the other used in NCAA football. Passer rating is calculated using a player's passing attempts, completions, yards, touchdowns, and interceptions. Passer rating in the NFL is on a scale from 0 to 158.3. Passing efficiency in college football is on a scale from −731.6 to 1261.6.
The Waterloo Warriors are the athletic teams that represent the University of Waterloo in Waterloo, Ontario, Canada. The Warriors have found success over certain spans in football, hockey, rugby, golf and basketball among others, and the Warriors have won national championships in hockey (1974), basketball (1975), and women's swimming (1975). For many years from the 1960s through the 1990s, Warrior basketball games attracted the largest and rowdiest basketball crowds in the country. The Warriors Football teams have won two Yates Cup Championships, in 1997 and in 1999. The team's 2010 season was cancelled after a steroid scandal, the biggest ever in CIS Football history.
John Hollinger is the former Vice President of Basketball Operations for the Memphis Grizzlies of the National Basketball Association (NBA) and current Senior NBA columnist at The Athletic.
The player efficiency rating (PER) is John Hollinger's all-in-one basketball rating, which attempts to boil down all of a player's contributions into one number. Using a detailed formula, Hollinger developed a system that rates every player's statistical performance.
Advanced statistics in basketball refers to analyzing basketball statistics through objective evidence. APBRmetrics is a cousin to the study of baseball statistics, known as sabermetrics, and similarly takes its name from the acronym APBR, which stands for the Association for Professional Basketball Research.
Statistics in basketball are kept to evaluate a player's or a team's performance.
Offensive proficiency rating or offensive productive efficiency is a statistic used in basketball to measure either a team's offensive performance or an individual player's efficiency at producing points for the offense. It was created by author and statistician Dean Oliver.
Defensive rating or defensive efficiency is a statistic used in basketball to measure an individual player's efficiency at preventing the other team from scoring points. It was created by author and statistician Dean Oliver.
David J. Berri is a sports economist and professor of economics at Southern Utah University, known for his sometimes-controversial analysis of NBA basketball. He is a past president of the North American Association of Sports Economists, and a member of the editorial board of the Journal of Sports Economics and The International Journal of Sport Finance.
Per is a Latin preposition which means "through" or "for each", as in per capita.
In professional basketball, the most commonly used statistical benchmark for comparing the overall value of players is called efficiency. It is a composite basketball statistic that is derived from basic individual statistics: points, rebounds, assists, steals, blocks, turnovers and shot attempts. The efficiency stat, in theory, accounts for both a player's offensive contributions and their defensive contributions, but it is generally thought that efficiency ratings favor offense-oriented players over those who specialize in defense, as defense is difficult to quantify with currently tabulated statistics.
Aurimas Kieža is a Lithuanian professional basketball player for BC Sūduva.
The clean air delivery rate (CADR) is a figure of merit that is the cubic feet per minute (CFM) of air that has had all the particles of a given size distribution removed. For air filters that have air flowing through them, it is the fraction of particles that have been removed from the air, multiplied by the air flow rate through the device. More precisely, it is the CFM of air in a 1,008-cubic-foot (28.5 m3) room that has had all the particles of a given size distribution removed from the air, over and above the rate at which the particles are naturally falling out of the air. Different filters have different abilities to remove different particle distributions, so three CADR's for a given device are typically measured: smoke, pollen, and dust. By combining the amount of airflow and particle removal efficiency, consumers are less likely to be misled by a high efficiency filter that is filtering a small amount of air, or by a high volume of air that is not being filtered very well.
Performance Index Rating (PIR) is a basketball mathematical statistical formula that is used by the Euroleague Basketball Company's first and second tier competitions, the EuroLeague and the EuroCup, as well as various European national domestic and regional leagues. It is a part of the Tendex basketball rating system. It is also variously referred to as Performance Index Ranking, Rating, Ranking, Evaluation, Valuation, and Efficiency. It is similar to, but not exactly the same as, the NBA's Efficiency (EFF) stat.
Lauren Elizabeth Jackson is an Australian former professional basketball player. The daughter of two national basketball team players, Jackson was awarded a scholarship to the Australian Institute of Sport (AIS) in 1997, when she was 16. In 1998, she led the AIS team that won the Women's National Basketball League (WNBL) championship. Jackson joined the Canberra Capitals for the 1999 season when she turned 18 and played with the team off and on until 2006, winning four more WNBL championships. From 2010 to 2016, Jackson played with the Canberra Capitals, which she did during the Women's National Basketball Association (WNBA) offseason during the time she continued WNBA play.
Economy is a basketball mathematical statistical formula that was created in order to determine the ball possession efficiency of ball handlers, mainly primary ball handlers and point guards. It is considered a basic statistic of the top-tier level Greek League.
Advanced metrics is the term for the empirical analysis of sports, particularly statistics that measure in-game productivity and efficiency. Advanced metrics were first employed in baseball by Bill James, a pioneer in the field who is considered the father and public face of the practice.
Artem Pustovyi is a Ukrainian professional basketball player for Gran Canaria of the Spanish Liga ACB. He also represents the Ukrainian national team.
The Tendex system is a basketball mathematical statistical formula that was created by sports writer Dave Heeren, in order to determine the playing efficiency of basketball players. It is generally accepted as the original weighted advanced stat formula used in the sport of basketball.
Adjusted Plus-Minus is a basketball analytic that attempts to predict the impact of an individual player on the scoring margin of a game by controlling for the rest of the players on the court at any given time. The metric is derived using play-by-play data to keep track of all substitution and possession ending actions. It was first implemented by the Dallas Mavericks in the early 2000s after owner Mark Cuban commissioned data scientists Jeff Sagarin, Wayne Winston, and Dan Rosenbaum, who developed the metric alongside their WINVAL conversion to aid in player salary determination. In combination with other innovations, this gave the Mavericks one of the most progressive front offices in the league at the time. Since APM's creation several derivative metrics attempting to improve on the skeleton have been created.
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