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stat.ME2025
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.ME2024
Determining number of factors under stability considerations
Sze Ming Lee, Yunxiao Chen
This paper proposes a novel method for determining the number of factors in linear factor models under stability considerations. An instability measure is proposed based on the pri…
stat.ME2024
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…