bandwidth.ucv(x, nb=1000, lower, upper, freq)
x, giving frequencies
(positive integers).
If supplied,
x is replaced with
rep(x, freq).
This function is based upon the function
ucv in Venables and Ripley (1997).
Scott, D. W. (1992)
Multivariate Density Estimation: Theory, Practice, and Visualization.
Wiley.
Venables, W. N. and Ripley, B. D. (1997)
Modern Applied Statistics with S-PLUS,
Second Edition.
Springer.