Author

Francis K. C. Hui

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Preprint Sep 2026

Finite Mixtures of Generalized Estimating Equations for Clustering Multivariate Correlated Outcomes

Multivariate correlated outcomes occur across disciplines, including ecology, social sciences, and psychometrics. This paper focuses on clustering these outcomes across observational units, specifically, finding groups of units with the same ``outcome profile". Our motivation comes from bioregionalization in ecology, w...

Shonosuke Sugasawa, Francis K. C. Hui · 0 citations

Open access Aug 2026

Fast robust additive models using gamma-divergence

Additive models offer a flexible framework for modeling nonlinear relationships between predictors and a continuous response variable, where nonparametric terms are commonly modeled via penalized splines. However, such models can be sensitive to outliers, leading to potentially unreliable estimation and inferential res...

Francis K. C. Hui, Ding Ding, Shonosuke Sugasawa · Statistics and computing · 0 citations