It's mostly about college basketball.
A comparison of the overall predictive and retrodictive accuracy and trends of rankings systems in Massey's Basketball Composite. Updated daily throughout the season.
Ratings produced by my predictive algorithm for college basketball. Updated daily throughout the season.
The transitive property does not translate well as an analytical tool for sports, but it does make interesting visualizations. Win trees visualize all the teams a team has transitively beaten.
A description of my graph based predictive rating algorithm for college basketball. Code available inside.