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Normal Laws for Two Entropy Estimators on Infinite Alphabets.

Chen Chen1, Michael Grabchak1, Ann Stewart1

  • 1Department of Mathematics and Statistics, University of North Carolina at Charlotte, Charlotte, NC 28223, USA.

Entropy (Basel, Switzerland)
|December 3, 2020
PubMed
Summary
This summary is machine-generated.

This study establishes conditions for two entropy estimators, the Miller-Madow and jackknife methods, to achieve asymptotic normality on infinite alphabets. These findings are crucial for statistical inference in information theory.

Keywords:
Miller–Madow estimatorasymptotic normalityentropyjackknife estimatornonparametric estimator

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Area of Science:

  • Information Theory
  • Statistical Inference
  • Probability Theory

Background:

  • Entropy estimation is fundamental in information theory.
  • Countably infinite alphabets present unique challenges for statistical estimation.
  • Asymptotic normality is a key property for validating statistical estimators.

Purpose of the Study:

  • To derive sufficient conditions for the asymptotic normality of entropy estimators.
  • To analyze the Miller-Madow and jackknife estimators specifically.
  • To extend these analyses to the context of countably infinite alphabets.

Main Methods:

  • Mathematical analysis of statistical estimators.
  • Derivation of asymptotic properties.
  • Application of probability theory to information measures.

Main Results:

  • Sufficient conditions for the asymptotic normality of the Miller-Madow estimator were established.
  • Sufficient conditions for the asymptotic normality of the jackknife estimator were established.
  • These conditions are applicable to countably infinite alphabets.

Conclusions:

  • The Miller-Madow and jackknife estimators are asymptotically normal under the derived conditions.
  • This work provides a theoretical foundation for using these estimators in complex information systems.
  • The findings advance the understanding of entropy estimation on infinite alphabets.