A unified framework for spline estimators

Katsiaryna Schwarz and Tatyana Krivobokova

Biometrika, 2016, vol. 103, issue 1, 121-131

Abstract: This article develops a unified framework to study the asymptotic properties of all periodic spline-based estimators, that is, of regression, penalized and smoothing splines. The explicit form of the periodic Demmler–Reinsch basis in terms of exponential splines allows the derivation of an expression for the asymptotic equivalent kernel on the real line for all spline estimators simultaneously. The corresponding bandwidth, which drives the asymptotic behaviour of spline estimators, is shown to be a function of the number of knots and the smoothing parameter. Strategies for the selection of the optimal bandwidth and other model parameters are discussed.

Date: 2016
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Citations: View citations in EconPapers (3)

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