Bayesian inference on principal component analysis using reversible jump Markov chain Monte Carlo

  • Authors:
  • Zhihua Zhang;Kap Luk Chan;James T. Kwok;Dit-Yan Yeung

  • Affiliations:
  • Department of Computer Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore;Department of Computer Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong;Department of Computer Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong

  • Venue:
  • AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
  • Year:
  • 2004

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Abstract

Based on the probabilistic reformulation of principal component analysis (PCA), we consider the problem of determining the number of principal components as a model selection problem. We present a hierarchical model for probabilistic PCA and construct a Bayesian inference method for this model using reversible jump Markov chain Monte Carlo (MCMC). By regarding each principal component as a point in a one-dimensional space and employing only birth-death moves in our reversible jump methodology, our proposed method is simple and capable of automatically determining the number of principal components and estimating the parameters simultaneously under the same disciplined framework. Simulation experiments are performed to demonstrate the effectiveness of our MCMC method.