- Volume 24, Number 4A (2018), 2676-2692.
Equivalence classes of staged trees
In this paper, we give a complete characterization of the statistical equivalence classes of CEGs and of staged trees. We are able to show that all graphical representations of the same model share a common polynomial description. Then, simple transformations on that polynomial enable us to traverse the corresponding class of graphs. We illustrate our results with a real analysis of the implicit dependence relationships within a previously studied dataset.
Bernoulli, Volume 24, Number 4A (2018), 2676-2692.
Received: January 2016
Revised: February 2017
First available in Project Euclid: 26 March 2018
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Görgen, Christiane; Smith, Jim Q. Equivalence classes of staged trees. Bernoulli 24 (2018), no. 4A, 2676--2692. doi:10.3150/17-BEJ940. https://projecteuclid.org/euclid.bj/1522051221