2015 weekly College Football Computer Composite rankings
The College Football Computer Composite combines five of the computer formulas used in the former Bowl Championship Series standings to remove the human element from college football rankings. It is compiled by taking the geometric mean of rankings formulated by Richard Billingsley, Wes Colley, Ken Massey, Peter Wolfe and Jeff Sagarin.
Among the metrics feeding the CFCC are wins and losses, strength of schedule, home-field advantage, recency of game and, in Massey and Sagarin's case, margin of victory.
Updated CFCC rankings are published each week during the season on FootballFour.com and below. Each week's rankings for 2015 are posted in chronological order.