2 papers
stat.ML2024
A fast score-based search algorithm for maximal ancestral graphs using entropy
Zhongyi Hu, Robin Evans
\emph{Maximal ancestral graph} (MAGs) is a class of graphical model that extend the famous \emph{directed acyclic graph} in the presence of latent confounders. Most score-based app…
stat.ME2022
Towards standard imsets for maximal ancestral graphs
Zhongyi Hu, Robin Evans
The imsets of Studený (2005) are an algebraic method for representing conditional independence models. They have many attractive properties when applied to such models, and they ar…