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Efficient and Generalizable Archetypal Analysis for Discrete Data

arXiv:2610.12035v1 Announce Type: new Abstract: Archetypal Analysis (AA) represents observations as convex combinations of extremal data-driven profiles, yielding interpretable low-dimensional descriptions of complex datasets. Classical AA relies on a least-squares objective, which is poorly suited…

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  1. 2026-10-09 04:00 · arXiv stat.ML
    Efficient and Generalizable Archetypal Analysis for Discrete Data

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