Statistical Inference for Rényi Entropy Functionals

Details Statistical Inference for Rényi Entropy Functionals Statistical Inference for Rényi Entropy Functionals

2011-03-25

arxiv.org/abs/1103.4977v1

Mathematics

Statistics Theory

15 pages, 4 figures

Scientific paper

Numerous entropy-type characteristics (functionals) generalizing R\'enyi entropy are widely used in mathematical statistics, physics, information theory, and signal processing for characterizing uncertainty in probability distributions and distribution identification problems. We consider estimators of some entropy (integral) functionals for discrete and continuous distributions based on the number of epsilon-close vector records in the corresponding independent and identically distributed samples from two distributions. The estimators form a triangular scheme of generalized U-statistics. We show the asymptotic properties of these estimators (e.g., consistency and asymptotic normality). The results can be applied in various problems in computer science and mathematical statistics (e.g., approximate matching for random databases, record linkage, image matching).

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