Estimating smoothness and optimal bandwidth for probability density functions

doi:10.3390/stats6010003

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DOI Доступ к ресурсу на сайте издателя			10.3390/stats6010003

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#адаптивные оценки

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Title: Estimating smoothness and optimal bandwidth for probability density functions
Creator: Politis, Dimitris N.
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Tarassenko, Peter F.
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Vasilev, Vyacheslav A.
Date: 2023
DOI: 10.3390/stats6010003
Description: The properties of non-parametric kernel estimators for probability density function from two special classes are investigated. Each class is parametrized with distribution smoothness parameter. One of the classes was introduced by Rosenblatt, another one is introduced in this paper. For the case of the known smoothness parameter, the rates of mean square convergence of optimal (on the bandwidth) density estimators are found. For the case of unknown smoothness parameter, the estimation procedure of the parameter is developed and almost surely convergency is proved. The convergence rates in the almost sure sense of these estimators are obtained. Adaptive estimators of densities from the given class on the basis of the constructed smoothness parameter estimators are presented. It is shown in examples how parameters of the adaptive density estimation procedures can be chosen. Non-asymptotic and asymptotic properties of these estimators are investigated. Specifically, the upper bounds for the mean square error of the adaptive density estimators for a fixed sample size are found and their strong consistency is proved. The convergence of these estimators in the almost sure sense is established. Simulation results illustrate the realization of the asymptotic behavior when the sample size grows large.

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collection(s): Институт прикладной математики и компьютерных наук (c 01.09.2017 г.)
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Stats. 2023. Vol. 6, № 1. P. 30-49
Language: eng

Created: 29-04-2025

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Институт прикладной математики и компьютерных наук (c 01.09.2017 г.) Estimating smoothness and optimal bandwidth for probability density functions