| ucv {MASS} | R Documentation | 
Uses unbiased cross-validation to select the bandwidth of a Gaussian kernel density estimator.
ucv(x, nb = 1000, lower, upper)
x | 
 a numeric vector  | 
nb | 
 number of bins to use.  | 
lower, upper | 
 Range over which to minimize. The default is almost always satisfactory.  | 
a bandwidth.
Scott, D. W. (1992) Multivariate Density Estimation: Theory, Practice, and Visualization. Wiley.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
ucv(geyser$duration)