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Psychometrika|July 10, 2015
Identifiability of Diagnostic Classification ModelsGongjun Xu, Stephanie ZhangPsychometrika|June 1, 2022
A Mixed Stochastic Approximation EM (MSAEM) Algorithm for the Estimation of the Four-Parameter Normal Ogive ModelXiangbin Meng, Gongjun XuPsychometrika|May 6, 2018
The Sufficient and Necessary Condition for the Identifiability and Estimability of the DINA ModelYuqi Gu, Gongjun XuJournal of the American Statistical Association|May 8, 2023
A Joint MLE Approach to Large-Scale Structured Latent Attribute AnalysisYuqi Gu, Gongjun XuPsychometrika|March 22, 2024
Sufficient and Necessary Conditions for the Identifiability of DINA Models with Polytomous ResponsesMengqi Lin, Gongjun XuThe British Journal of Mathematical and Statistical Psychology|October 10, 2024
A unified EM framework for estimation and inference of normal ogive item response modelsXiangbin Meng, Gongjun XuJournal of the American Medical Directors Association|March 1, 2025
Using Machine Learning to Identify Social Determinants of Health that Impact Discharge Disposition for Hospitalized PatientsHe Ren, Chun Wang, David J Weiss, et al.Bernoulli : Official Journal of the Bernoulli Society for Mathematical Statistics and Probability|May 10, 2014
Theory of the Self-learning <i>Q</i>-MatrixJingchen Liu, Gongjun Xu, Zhiliang YingApplied Psychological Measurement|August 9, 2013
Data-Driven Learning of Q-MatrixJingchen Liu, Gongjun Xu, Zhiliang YingStatistica Sinica|December 6, 2013
Sequential Analysis of the Cox Model under Response Dependent AllocationXiaolong Luo, Gongjun Xu, Zhiliang YingPageof 496