Definition. Calibration agreement [ftip-00H5]

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For grader kernel \(K\) and calibration set \(\mathcal C\), the agreement rate is \(A(K,\mathcal C)=|\mathcal C|^{-1}\sum _{z\in \mathcal C} K(y^star(z)\mid z)\). It is a calibration-set statistic, not a population accuracy claim.