Blind Construction of Optimal Nonlinear Recursive Predictors for Discrete Sequences

C. Shalizi,Kristina Lisa Shalizi

Published 2004 in Conference on Uncertainty in Artificial Intelligence

ABSTRACT

We present a new method for nonlinear prediction of discrete random sequences under minimal structural assumptions. We give a mathematical construction for optimal predictors of such processes, in the form of hidden Markov models. We then describe an algorithm, CSSR (Causal-State Splitting Reconstruction), which approximates the ideal predictor from data. We discuss the reliability of CSSR, its data requirements, and its performance in simulations. Finally, we compare our approach to existing methods using variable-length Markov models and cross-validated hidden Markov models, and show theoretically and experimentally that our method delivers results superior to the former and at least comparable to the latter.

PUBLICATION RECORD

  • Publication year

    2004

  • Venue

    Conference on Uncertainty in Artificial Intelligence

  • Publication date

    2004-06-06

  • Fields of study

    Mathematics, Physics, Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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