1995 | OriginalPaper | Chapter
Bandwidth Selection in Density Estimation
Author : Marco Bianchi
Published in: XploRe: An Interactive Statistical Computing Environment
Publisher: Springer New York
Included in: Professional Book Archive
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The motivation for density estimation in statistics and data analysis is to realize where observations occur more frequently in a sample. The aim of density estimation is to approximate a “true” probability density function f(x) from a sample information {X i }ni=1 of independent and identically distributed observations. The estimated density is constructed by centering around each observation X i a kernel function K h (u) = K(u/h)/h with u = x - X i , and averaging the values of this function at any given x.