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stat.ME2026
Dimension reduction of compositional data through mixtures of latent source compositions
Hyeon Lee, J. S. Marron, Eric Grunsky +1
Understanding the distribution of mineral compositions is an important challenge in geology. This motivates new variations on dimension reduction for compositional data, lying on a…
stat.ME2025
Principal Subsimplex Analysis
Hyeon Lee, Kassel Liam Hingee, Janice L. Scealy +3
Compositional data, which are data that lie in a simplex, naturally arise in many scientific domains such as geochemistry, microbiology, and economics. In such domains, obtaining s…