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Automatic repeated-loess decomposition of data consisting of sums of oscillatory curves

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An Erratum to this article was published on 01 February 2003

Abstract

Repeated loess is a nonparametric procedure that uses progressive smoothing and differencing to decompose data consisting of sums of curves. Smoothing is by locally weighted polynomial regression. Here the procedure was developed so that the decomposition into components was controlled automatically by the number of maxima in each component. The level of smoothing of each component was chosen to maximize the estimated probability of the observed number of maxima. No assumptions were made about the periodicity of components and only very weak assumptions about their shapes. The automatic procedure was applied to simulated data and to experimental data on human visual sensitivity to line orientation.

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  1. David H. Foster
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An erratum to this article can be found at http://dx.doi.org/10.1023/A:1021990220424

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Foster, D.H. Automatic repeated-loess decomposition of data consisting of sums of oscillatory curves. Statistics and Computing 12, 339–351 (2002). https://doi.org/10.1023/A:1020736012482

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