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The James function. (English)
Math. Mag. 88, No. 1, 54-71 (2015).
Summary: We investigate the properties of the James function, associated with Bill James’s so-called “$\log 5$ method,” which assigns a probability to the result of a game between two teams based on their respective winning percentages. We also introduce and study a class of functions, which we call {\it Jamesian}, that satisfy the same {\it a priori} conditions that were originally used to describe the James function.
Classification: I60