The functional singular value decomposition for bivariate stochastic processes

Daniel Gervini

Computational Statistics & Data Analysis, 2010, vol. 54, issue 1, 163-172

Abstract: In this article we present some statistical applications of the functional singular value decomposition (FSVD). This tool allows us to decompose the sample mean of a bivariate stochastic process into components that are functions of separate variables. These components are sometimes interpretable functions that summarize salient features of the data. The FSVD can be used to visually detect outliers, to estimate the mean of a stochastic process or to obtain individual smoothers of the sample surfaces. As estimators of the mean, we show by simulation that FSVD estimators are competitive with tensor-product splines in some situations.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:eee:csdana:v:54:y:2010:i:1:p:163-172

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