3 papers
stat.ME2025
Parsimonious Ultrametric Manly Mixture Models
Alexa A. Sochaniwsky, Paul D. McNicholas
A family of parsimonious ultrametric mixture models with the Manly transformation is developed for clustering high-dimensional and asymmetric data. Advances in Gaussian mixture mod…
stat.ME2024
Hidden Markov Models for Multivariate Panel Data
Mackenzie R. Neal, Alexa A. Sochaniwsky, Paul D. McNicholas
While advances continue to be made in model-based clustering, challenges persist in modeling various data types such as panel data. Multivariate panel data present difficulties for…
stat.ME2024
Flexible Clustering with a Sparse Mixture of Generalized Hyperbolic Distributions
Alexa A. Sochaniwsky, Michael P. B. Gallaugher, Yang Tang +1
Robust clustering of high-dimensional data is an important topic because clusters in real datasets are often heavy-tailed and/or asymmetric. Traditional approaches to model-based c…