On rates of convergence in functional linear regression

Yehua Li and Tailen Hsing

Journal of Multivariate Analysis, 2007, vol. 98, issue 9, 1782-1804

Abstract: This paper investigates the rate of convergence of estimating the regression weight function in a functional linear regression model. It is assumed that the predictor as well as the weight function are smooth and periodic in the sense that the derivatives are equal at the boundary points. Assuming that the functional data are observed at discrete points with measurement error, the complex Fourier basis is adopted in estimating the true data and the regression weight function based on the penalized least-squares criterion. The rate of convergence is then derived for both estimators. A simulation study is also provided to illustrate the numerical performance of our approach, and to make a comparison with the principal component regression approach.

Keywords: Functional; data; analysis; Penalized; least; squares; Periodic; spline (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (32)

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