- Ratings Percentage Index
Commonly known as RPI, the Ratings Percentage Index is one of the rating systems whereby NCAA
basketballteams are ranked. This system has been in use since 1981to aid in selecting and seeding of the teams appearing in the 65-team men's playoffs (see also, March Madness). It has also been used to aid in the selection and seeding process for the 64-team women's tournament since its inception in 1982. The Index comprises that team's winning percentage (25%), its opponents' winning percentage (50%), and the winning percentage of those opponents' opponents (25%).
Some feel that this heavy emphasis upon
strength of scheduleunfairly advantages teams from major conferences. Teams from "majors" are allowed to pick many of their scheduled non-conference opponents (often, blatantly weaker teams); but, teams from " low-major" conferences may only get "one", if any, such chosen-opponent "slot" on their schedules. On the other hand, some " mid-major" conferences compel their member-teams to regularly schedule opponents ranked in the top half of the RPI, which could eventually boost the strength of that conference and/or its tougher-scheduling teams. The Missouri Valley Conferencehas successfully done this: It has become one of the top-rated RPI conferences, despite having very few of its teams ranked in the two national Top 25 polls. [http://www.cstv.com/sports/m-baskbl/stories/103006aad.html] For the first time, in 2006, the NCAA decided to release their RPI calculations weekly starting in February. Independent sources, such as ESPNor CNN/SI, also publish their own RPI calculations, which are updated more frequently.
The RPI was updated in 2004 to account for differences in home and away games. A home win now counts as 0.6 win, while a road win counts as 1.4 wins. Conversely, a home loss equals 1.4 losses, while a road loss counts as 0.6 loss.
Use in other sports
The NCAA also calculates an RPI in
baseball, which is used as one tool for seeding teams in the Division I baseball tournament.
* [http://web1.ncaa.org/app_data/weeklyrpi/2008MBBrpi1.html Official 2008 NCAA Mens Basketball RPI]
* [http://www.kenpom.com/rpi.php Ken Pomeroy's RPI, by College]
* [http://www.kenpom.com/confrank.php Ken Pomeroy's RPI, by Conference]
* [http://web1.ncaa.org/app_data/weeklyrpi/2008MBArpi1.html Official 2008 NCAA baseball RPI]
Wikimedia Foundation. 2010.
Look at other dictionaries:
Ratings for Major League Baseball on FOX telecasts — 1990s= 1996In FOX s first season of Major League Baseball coverage in 1996, they averaged a 2.7 rating for its Saturday Game of the Week . That was down 23% from CBS 3.4 in 1993 despite the network s infamy for its rather haphazard Game of the… … Wikipedia
Pomeroy College Basketball Ratings — The Pomeroy College Basketball Ratings are a series of predictive ratings of men s college basketball teams published free of charge online by Ken Pomeroy. They were first published in 2003. The system is based around the Pythagorean… … Wikipedia
Nielsen ratings — are the audience measurement systems developed by Nielsen Media Research, in an effort to determine the audience size and composition of television programming in the United States. Nielsen Media Research was founded by Arthur Nielsen, who was a… … Wikipedia
Nielsen Ratings — are audience measurement systems developed by Nielsen Media Research to determine the audience size and composition of television programming. Nielsen operates in over 100 countries and was founded in 1923. The system has been updated and… … Wikipedia
North American Loan Credit Default Swap Index - LCDX — A specialized index of loan only credit default swaps (CDS) covering 100 individual companies that have unsecured debt trading in the broad secondary markets. The LCDX is traded over the counter and is managed by a consortium of large investment… … Investment dictionary
Facility Condition Index — The Facility Condition Index (FCI) is used in Facilities Management to provide a benchmark to compare the relative condition of a group of facilities. The FCI is primarily used to support asset management initiatives of federal, state, and local… … Wikipedia
Ignorance Index — The Ignorance Index is an empirical rating system for talk shows invented by the American science fiction author Stephen Euin Cobb. It is defined as the ratio of interrupted sentences versus all sentences within a typical program, and is usually… … Wikipedia
RPI — Rensselaer Polytechnic Institute (Academic & Science » Universities) *** Republican (Governmental » US Government) ** Retail Price Index (Business » General) ** Retail Price Index (Governmental » US Government) * Ratings Percentage Index… … Abbreviations dictionary
Mid-major — is a term used in American Division I college sports, to refer to athletic conferences that are not among the major six conferences (the ACC, SEC, Big East, Big 10, Big 12, and Pac 12, the programs of which are sometimes referred to as high… … Wikipedia
NCAA Men's Soccer Championship — The NCAA began conducting a men s soccer national championship tournament in 1959 with an eight team tournament. Currently, the tournament field consists of 48 teams. In 1972, the Division II tournament was added, and in 1974, the Division III… … Wikipedia