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LOO-PIT predictive model checking

Published • May 13, 2026
Authors:
Herman Tesso
,
Aki Vehtari

Abstract

We consider predictive checking for Bayesian model assessment using leave-one-out probability integral transform (LOO-PIT). LOO-PIT values are conditional cumulative predictive probabilities given LOO predictive distributions and corresponding left out observations. For a well-calibrated model, LOO-...

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