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Omitted Labels Induce Nontransitive Paradoxes in Causality
Proceedings of the Fourth Conference on Causal Learning and Reasoning, PMLR 275:818-833, 2025.
Abstract
We explore "omitted label contexts," in which training data is limited to a subset of the possible labels. This setting is standard among specialized human experts or specific focused studies. By studying Simpson’s paradox, we observe that "correct" adjustments sometimes require non-exchangeable treatment and control groups. A generalization of Simpson’s paradox leads us to study networks of conclusions drawn from different contexts, within which a paradox of nontransitivity arises. We prove that the space of possible nontransitive structures in these networks exactly corresponds to structures that form from aggregating ranked-choice votes.