Finite sample performance of kernel-based regression methods for non-parametric additive models under common bandwidth selection criterion

MPRA Paper from University Library of Munich, Germany

Abstract: In this paper, we investigate the finite sample performance of four kernel-based estimators that are currently available for additive non-parametric regression models—the classic backfitting estimator (CBE), the smooth backfitting estimator, the marginal integration estimator, and two versions of a two-stage estimator of which the first is proposed by Kim, Linton and Hengartner (1999) and the second is proposed in this paper. The bandwidths are selected for each estimator by minimizing their respective asymptotic approximation of the mean average squared errors. In our simulations, we are particularly concerned with the performance of these estimators under this unified data-driven bandwidth selection method, since in this case both the asymptotic and the finite sample properties of all estimators are currently unavailable. The comparison is based on the estimators' average squared error. Our Monte Carlo results seem to suggest that the CBE is the best performing kernel-based procedure.

Keywords: Additive non-parametric regression; Local linear estimation; Backfitting estimation; Smooth backfitting; Marginal integration (search for similar items in EconPapers)
JEL-codes: C14 (search for similar items in EconPapers)
Date: 2007
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Published in Journal of Nonparametric Statistics 1.19(2007): pp. 23-62

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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:39295

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