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W. R. Schucany, John P. Sommers, Improvement of Kernel Type Density Estimators, Journal of the American Statistical Association, Vol. 72, No. 358 (Jun., 1977), pp ...
The behaviour of the mean squared errors of estimators of a density and its derivatives proposed by Singh (1977a) is examined. Asymptotic values of mean squared errors at some points, for the normal ...