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math.ST2017
Maximum likelihood estimation of the Latent Class Model through model boundary decomposition
Elizabeth S. Allman, Hector Baños Cervantes, Robin Evans +5
The Expectation-Maximization (EM) algorithm is routinely used for the maximum likelihood estimation in the latent class analysis. However, the EM algorithm comes with no guarantees…
math.ST2017
Latent tree models
Piotr Zwiernik
Latent tree models are graphical models defined on trees, in which only a subset of variables is observed. They were first discussed by Judea Pearl as tree-decomposable distributio…