Partial homoscedasticity in causal discovery with linear models

J Wu, M Drton - IEEE Journal on Selected Areas in Information …, 2023 - ieeexplore.ieee.org
Recursive linear structural equation models and the associated directed acyclic graphs
(DAGs) play an important role in causal discovery. The classic identifiability result for this …

Block Domain Knowledge-Driven Learning of Chain Graphs Structure

S Yang, F Cao - Journal of Artificial Intelligence Research, 2024 - jair.org
As the interdependence between arbitrary objects in the real world grows, it becomes
gradually important to use chain graphs containing directed and undirected edges to learn …

Chain graph structure learning based on minimal c-separation trees

L Tan, Y Sun, Y Du - International Journal of Approximate Reasoning, 2024 - Elsevier
Chain graphs are a comprehensive class of graphical models that describe conditional
independence information, encompassing both Markov networks and Bayesian networks as …

Identifiability and Consistent Estimation for Gaussian Chain Graph Models

R Zhao, H Zhang, J Wang - Journal of the American Statistical …, 2024 - Taylor & Francis
The chain graph model admits both undirected and directed edges in one graph, where
symmetric conditional dependencies are encoded via undirected edges and asymmetric …