Sheather-Jones choice of smoothing parameter for density estimation
Usage
hsj(x)
Arguments
Description
This function uses the Sheather-Jones plug-in method of selecting a
smoothing parameter which is suitable for constructing a density estimate
in the one-dimensional case.Details
see Section 2.4.4 of the reference below.Value
the value of the smoothing parameter localted by the Sheather-Jones method.Side Effects
none.References
Bowman, A.W. and Azzalini, A. (1997). Applied Smoothing Techniques for
Data Analysis: the Kernel Approach with S-Plus Illustrations.
Oxford University Press, Oxford.See Also
hnorm
, hcv
Examples
x <- rnorm(50)
hsj(x)