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Local Structure Recovery of Chain Graphs after Marginalization

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  • Qiang Zhao
  • Panpan Luo
  • Qing Xi

Abstract

This paper discusses local structure recovery of chain graphs (CGs) when there exist unobserved or latent variables or after marginalization over observed variables. Under a condition presented in this paper, it is explained which edges and directions of edges in local structure can be recovered validly and which cannot after marginalization.

Suggested Citation

  • Qiang Zhao & Panpan Luo & Qing Xi, 2015. "Local Structure Recovery of Chain Graphs after Marginalization," Discrete Dynamics in Nature and Society, Hindawi, vol. 2015, pages 1-5, March.
    • Handle: RePEc:hin:jnddns:982495
    DOI: 10.1155/2015/982495
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