© 1990 by Biometrika Trust
MISCELLANEA |
On variance estimation in nonparametric regression
Department of Statistics, Australian National University Canberra, ACT2601, Australia
Department of Statistics, University of North Carolina Chapel Hill, NC27514, U.S.A.
A simple explicit estimator of variance in nonparametric regression is suggested, based on the mean square of a sequence of residuals. The estimator is valid for general error distributions, has elementary bias and variance properties, and is optimal to both first and second orders.
Key Words: Curve estimation Kernel estimator Nonparametric regression Residual Smoothing Variance estimation