3 papers
stat.ML2026
Pairwise Comparisons without Stochastic Transitivity: Model, Theory and Applications
Sze Ming Lee, Yunxiao Chen
Most statistical models for pairwise comparisons, including the Bradley-Terry (BT) and Thurstone models and many extensions, make a relatively strong assumption of stochastic trans…
stat.ME2026
Model-free Rank Aggregation in the Presence of Rater Heterogeneity: A Maximum Score Approach
Haoran Zhang, Yunxiao Chen
This paper investigates the rank aggregation problem through the lens of multi-way comparison data derived from rater scores. Departing from traditional parametric frameworks, such…
stat.ME2025
A Latent Variable Approach to Learning High-dimensional Multivariate longitudinal Data
Sze Ming Lee, Yunxiao Chen, Tony Sit
High-dimensional multivariate longitudinal data, which arise when many outcome variables are measured repeatedly over time, are becoming increasingly common in social, behavioral a…