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stat.ME2025
A Generalized Additive Partial-Mastery Cognitive Diagnosis Model
Camilo Cárdenas-Hurtado, Sze Ming Lee, Yunxiao Chen +1
Cognitive diagnosis models (CDMs) are restricted latent class models widely used to measure attributes of interest in diagnostic assessments across education, psychology, biomedica…
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…