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co-clustering 1hypothesis testing 1multivariate regression 1non-negative matrix factorization 1reduced-rank regression 1

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stat.ME2026

Co-clustering of Response and Covariate Variables by Tri-Factorizing Their Non-negative Regression Coefficient Matrix

Kenichi Satoh, Yomei Tokuda

The paper introduces a tri-factorization of a non‑negative regression coefficient matrix to simultaneously cluster response and covariate variables, providing update rules, rank se…