2 papers
stat.ML2026
Non--negative matrix factorization using the \textit{R} package \textsf{nnmf}
Volkan Sevinç, Nikolas Kontemeniotis, Theodoros Perdikis +1
Non--negative matrix factorization (NMF) has become an established dimensionality reduction technique for extracting latent structures from non--negative data and has found widespr…
stat.ME2026
Model--based clustering for spherical and hyper--spherical data using elliptically symmetric distributions
Theodoros Perdikis, Nader Alharbi, Michail Tsagris
Model--based clustering for directional data data has attracted a lot of interest, but most methods utilize rotationally symmetric distributions. This paper suggests the use of ell…