Density Estimation Using the Sinc Kernel

Fuente: arXiv
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Hauptverfasser: Glad, Ingrid Kristine, Hjort, Nils Lid, Ushakov, Nikolai G.
Format: Preprint
Veröffentlicht: 2026
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author Glad, Ingrid Kristine
Hjort, Nils Lid
Ushakov, Nikolai G.
author_facet Glad, Ingrid Kristine
Hjort, Nils Lid
Ushakov, Nikolai G.
contents This paper deals with the kernel density estimator based on the so-called sinc (or Fourier integral) kernel $K(x)=(πx)^{-1}\sin x$. We study in detail both asymptotic and finite sample properties of this estimator. It is shown that, contrary to widespread opinion, the sinc estimator is superior to other estimators in many respects: it is more accurate for quite moderate values of the sample size, has better asymptotics in non-smooth case (the density to be estimated has only first derivative), is more convenient for the bandwidth selection, etc.
format Preprint
id arxiv_https___arxiv_org_abs_2605_07967
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Density Estimation Using the Sinc Kernel
Glad, Ingrid Kristine
Hjort, Nils Lid
Ushakov, Nikolai G.
Statistics Theory
This paper deals with the kernel density estimator based on the so-called sinc (or Fourier integral) kernel $K(x)=(πx)^{-1}\sin x$. We study in detail both asymptotic and finite sample properties of this estimator. It is shown that, contrary to widespread opinion, the sinc estimator is superior to other estimators in many respects: it is more accurate for quite moderate values of the sample size, has better asymptotics in non-smooth case (the density to be estimated has only first derivative), is more convenient for the bandwidth selection, etc.
title Density Estimation Using the Sinc Kernel
topic Statistics Theory
url https://arxiv.org/abs/2605.07967