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Module 1 · team strength

Bradley–Terry maximum likelihood

MLE on the current regular season, with a multiplicative home-field parameter and ε = 0.5 added to every win/loss count to keep β̂ᵢ finite. The naive win-percentage ranking sits beside it; a rank shift of 3 or more between the two flags a team whose record is most distorted by schedule strength.

how the MLE is fitwhy the intervals are Wald

Fitting Bradley–Terry on 2025-26 …