PolyILR supplies a canonical orthonormal decomposition of the Aitchison tangent space aligned with arbitrary tree structures.
arXiv preprint arXiv:1805.12400 , year=
3 Pith papers cite this work. Polarity classification is still indexing.
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2026 3representative citing papers
Introduces a nonparametric distributional DiD test that transports control-group drift via optimal transport to build a counterfactual and uses an RKHS MMD statistic to test equality.
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Tree-Structured Orthonormal Decomposition of the Aitchison Simplex
PolyILR supplies a canonical orthonormal decomposition of the Aitchison tangent space aligned with arbitrary tree structures.
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A Test for Treatment Heterogeneity under a Distributional Difference-in-Difference Framework
Introduces a nonparametric distributional DiD test that transports control-group drift via optimal transport to build a counterfactual and uses an RKHS MMD statistic to test equality.
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