3 papers
stat.ME2026
A New Regression Lens on Multi-Class Classification
Xin Bing, Bingqing Li, Marten Wegkamp
Linear Discriminant Analysis (LDA) is a fundamental method for classification. Its simple linear structure facilitates interpretation, and it is naturally suited to multi-class set…
stat.ML2025
Learning large softmax mixtures with warm start EM
Xin Bing, Florentina Bunea, Jonathan Niles-Weed +1
Softmax mixture models (SMMs) are discrete -mixtures introduced to model the probability of choosing an attribute $x_j \in \RR^L$ from candidates, in heterogeneous populatio…
math.ST2025
Optimal Discriminant Analysis in High-Dimensional Latent Factor Models
Xin Bing, Marten Wegkamp
In high-dimensional classification problems, a commonly used approach is to first project the high-dimensional features into a lower dimensional space, and base the classification…