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arXiv — cs.AI preprintsInternational9 October 2026

From Log-Odds to Shapley Values: An Explanatory Geometry for the Weighted Naive Bayes Classifier

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arXiv:2610.10642v1 Announce Type: cross Abstract: This paper studies the construction of an explanatory space for a weighted naive Bayes classifier from the supervised representation induced by the model. We start from the classical supervised distance based on conditional log-likelihoods and introduce a discriminative reformulation based on log-odds, which is more directly related to the classification decision. We then show that this representation induces a distance that exactly coincides with the $\ell_1$ distance between vectors of analytical Shapley values, thereby providing a formal exp
— arXiv — cs.AI preprints

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