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Article

PenPC: A two-step approach to estimate the skeletons of high-dimensional directed acyclic graphs.

Biometrics - 1 Mar 2016

Ha Min Jin, Sun Wei, Xie Jichun

Abstract excerpt

Estimation of the skeleton of a directed acyclic graph (DAG) is of great importance for understanding the underlying DAG and causal effects can be assessed from the skeleton when the DAG is not identifiable. We propose a novel method named PenPC to estimate the skeleton of a high-dimensional DAG by a two-step approach. We first estimate the nonzero entries of a concentration matrix using penalized regression, and...

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Identifiers

PMID: 26406114
DOI: 10.1111/biom.12415
PMCID: PMC4808501

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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