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stat.ME2025
Scalable approximation of the transformation-free linear simplicial-simplicial regression via constrained iterative reweighted least squares
Michail Tsagris, Omar Alzeley
Simplicia-simplicial regression concerns statistical modeling scenarios in which both the predictors and the responses are vectors constrained to lie on the simplex. \cite{fiksel20…
stat.ME2025
Simplicial clustering using the --transformation
Michail Tsagris, Nikolaos Kontemeniotis
We introduce two simplicial clustering approaches for compositional data, that are adaptations of the --means and of the Gaussian mixture models algorithms, by employing the …