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- #lang racket/base
- ; brier_score.rkt
- ;
- ; Compute Brier score for probabilistic predictions
- ; https://en.wikipedia.org/wiki/Brier_score
- (provide brier-score)
- (require math)
- ; compute Brier score
- ; f - forecast probability, [0, 1]
- ; o - actual outcome, 0 or 1
- (define (brier-score f o)
- (expt (- f o) 2))
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