The deluxe version of our model calculates an implied margin for each race based on expert race ratings from the cook political report, inside elections and sabato's crystal ball; Congress has only a 21.1% approval rating, reducing the incumbency advantage. Our model uses elo ratings (a measure of strength based on head-to-head results and.
Jul 15, 2018fivethirtyeight's messi* analysis compares how every athlete played in every men’s world cup from 1966 to 2018 by generating statistical fingerprints of 5,899 world cup performances. Dec 17, 2020plus-minus is derived from our robust algorithm using player tracking and on-off ratings (raptor), a measure of the number of points per 100 possessions that a player contributed.