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Characterizing Identifiability in Boolean Factor Models
Mengqi Lin, Gongjun Xu
Boolean factor models, including prominent subfamilies such as Boolean matrix decompositions and cognitive diagnosis models, find broad applications ranging from social sciences to…
math.ST2026
Marginal maximum likelihood estimation and asymptotic theory for latent variable models in high dimensions
Chengyu Cui, Gongjun Xu
This work addresses a longstanding gap in the statistical foundations of marginal maximum likelihood estimation for high-dimensional latent variable models. Marginal maximum likeli…