116 citations · 267 across the 30 of their papers we have counts for
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math.CO2017★ 2 cited
Identification of Strong Edges in AMP Chain Graphs
Jose M. Peña
The essential graph is a distinguished member of a Markov equivalence class of AMP chain graphs. However, the directed edges in the essential graph are not necessarily strong or in…
stat.ML2017
Unifying DAGs and UGs
Jose M. Peña
We introduce a new class of graphical models that generalizes Lauritzen-Wermuth-Frydenberg chain graphs by relaxing the semi-directed acyclity constraint so that only directed cycl…