kylekap/sports_ranking_systems

Calculate various "strength" metrics / rankings for sports teams

Sports Ranking Systems

About

Generates:

• Strength of Schedule (SOS)
• Strength of Schedule (BCS version)
• Strength of Victory (SOV)
• Simple Rating System (SRS)
• Pythagorean Expectation (Expected win %)
• Comparative Performance Index (CPI)
• Rating Percentage Index (RPI)
• Square Gear rating

Can be used for leagues as listed below

Contents

• Project
  • About
  • Contents
  • Future Plans
  • Caveats

Current Leagues

• Baseball

  • MLB

• Basketball

  • NBA
  • WNBA
  • NCAAM

• Football

  • NFL
  • NCAAF

• Hockey

  • NHL

Future Plans

• Rating Systems

  • Add ELO
  • Add BRR
  • Add Colley Matrix Method
  • Add MJS

• Leagues

  • NCAAW
  • MLS
  • NWSL

MLS, NCAAW, NWSL appear to be out of the ordinary for the other systems of scores. Additional resarch needed to find better layouts

Dealing with "eras", or team movements, by league.

Caveats

Non FBS team games are ignored in NCAAF, which will slightly alter vs "true" versions of those algorithms. Some teams have moved cities. If a time period before the current location is used, the team is dropped from calculations.