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math.ST2022★ 1 cited
Blessing of Dependence: Identifiability and Geometry of Discrete Models with Multiple Binary Latent Variables
Yuqi Gu
Identifiability of discrete statistical models with latent variables is known to be challenging to study, yet crucial to a model's interpretability and reliability. This work prese…
math.ST2018★ 16 cited
Sufficient and Necessary Conditions for the Identifiability of the -matrix
Yuqi Gu, Gongjun Xu
Restricted latent class models (RLCMs) have recently gained prominence in educational assessment, psychiatric evaluation, and medical diagnosis. Different from conventional latent…
math.ST2018★ 17 cited
Partial Identifiability of Restricted Latent Class Models
Yuqi Gu, Gongjun Xu
Latent class models have wide applications in social and biological sciences. In many applications, pre-specified restrictions are imposed on the parameter space of latent class mo…