For the fifth consecutive year, I attended the Joint Mathematical Meeting of the Mathematics Association of America (the MAA) and the American Mathematical Society (the AMS). This year the meeting was in San Diego from January 7 through January 10. This meeting is the most important meeting for both these organizations. At this joint meeting, …
Bill James, the Father of Sabermetrics, introduced his ”Pythagorean Theorem of Baseball”. His theorem provides a formula to predict a team’s winning percentage (W%) using the runs scored (RS) and runs allowed (RA) by the team for a season. Sabermetrics uses mathematics (especially Statistics) to make objective baseball decisions. The Pythagorean Theorem of Baseball states: …
Bill James introduced his formula for predicting a team’s expected winning percentage (Expected W%) for a season. The formula is Expected W% = (Runs Scored)2 / [(Runs Scored)2 + (Runs Allowed)2] and is called the Pythagorean Theorem of Baseball. Bill James’s rationale for his theorem was that the number of runs a team scored (RS) compared to the …