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Erschienen in: Advances in Data Analysis and Classification 4/2019

25.05.2019 | Regular Article

A Kendall correlation coefficient between functional data

verfasst von: Dalia Valencia, Rosa E. Lillo, Juan Romo

Erschienen in: Advances in Data Analysis and Classification | Ausgabe 4/2019

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Abstract

Measuring dependence is a very important tool to analyze pairs of functional data. The coefficients currently available to quantify association between two sets of curves show a non robust behavior under the presence of outliers. We propose a new robust numerical measure of association for bivariate functional data. We extend in this paper Kendall coefficient for finite dimensional observations to the functional setting. We also study its statistical properties. An extensive simulation study shows the good behavior of this new measure for different types of functional data. Moreover, we apply it to establish association for real data, including microarrays time series in genetics.

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Metadaten
Titel
A Kendall correlation coefficient between functional data
verfasst von
Dalia Valencia
Rosa E. Lillo
Juan Romo
Publikationsdatum
25.05.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Advances in Data Analysis and Classification / Ausgabe 4/2019
Print ISSN: 1862-5347
Elektronische ISSN: 1862-5355
DOI
https://doi.org/10.1007/s11634-019-00360-z

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