Cross-validation and the smoothing of orthogonal series density estimators

Peter Hall

Journal of Multivariate Analysis, 1987, vol. 21, issue 2, 189-206

Abstract: We describe a class of smoothed orthogonal series density estimates, including the classical sequential-series introduced by [6], Soviet Math. Dokl. 3 1559-1562) and [16], Ann. Math. Statist. 38 1261-1265), and [23], Ann. Statist 9 146-156) two-parameter smoothing. The Bowman-Rudemo method of least-squares cross-validation (1982, Manchester-Sheffield School of Probability and Statistics Research Report 84/AWB/1; 1984, Biometrika 71 353-360; [14], Scand. J. Statist. 9 65-78), is suggested as a practical way of choosing smoothing parameters automatically. Using techniques of [18], Ann. Statist. 12 1285-1297), that method is shown to perform asymptotically optimally in the case of cosine and Hermite series estimators. The same argument may be used for other types of series.

Keywords: Cosine; series; cross-validation; density; estimate; Hermite; series; orthogonal; series; trigonometric; series (search for similar items in EconPapers)
Date: 1987
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Citations: View citations in EconPapers (7)

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