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math.ST2022
One-connection rule for structural equation models
Bibhas Adhikari, Elizabeth Gross, Marc Härkönen +1
Linear structural equation models are multivariate statistical models encoded by mixed graphs. In particular, the set of covariance matrices for distributions belonging to a linear…
math.ST2017
The Multiple Roots Phenomenon in Maximum Likelihood Estimation for Factor Analysis
Elizabeth Gross, Sonja Petrović, Donald Richards +1
Multiple root estimation problems in statistical inference arise in many contexts in the literature. In the context of maximum likelihood estimation, the existence of multiple root…