Hierarchical bayesian approach to a multi-site hidden markov model

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Abstract

Multivariate data with a sequential or temporal structure occur in various fields of study. The hidden Markov model (HMM) provides an attractive framework for modeling long-term persistence in areas of pattern recognition through the extension of independent and identically distributed mixture models. Unlike in typical mixture models, the heterogeneity of data is represented by hidden Markov states. This article extends the HMM to a multi-site or multivariate case by taking a hierarchical Bayesian approach. This extension has many advantages over a single-site HMM. For example, it can provide more information for identifying the structure of the HMM than a single-site analysis. We evaluate the proposed approach by exploiting a spatial correlation that depends on the distance between sites.

Original languageEnglish
Pages (from-to)1241-1252
Number of pages12
JournalCommunications in Statistics Part B: Simulation and Computation
Volume43
Issue number6
DOIs
StatePublished - 1 Jan 2014

Keywords

  • Bayesian analysis
  • Hierarchical modeling
  • Multi-site hidden Markov model

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