On rate of convergence of statistical estimation of stationary ergodic processes

  • Authors:
  • Imre Csiszár;Zsolt Talata

  • Affiliations:
  • Department of Mathematics, University of Kansas, Lawrence, KS;Alfréd Rényi Institute of Mathematics, Hungarian Academy of Sciences, Budapest, Hungary

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 2010

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Abstract

Stationary ergodic processes with finite alphabets are approximated by finite memory processes based on an n-length realization of the process. Under the assumptions of summable continuity rate and non-nullness, a rate of convergence in d-distance is obtained, with explicit constants. Asymptotically, as n → ∞, the result is near the optimum.