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Uses biased cross-validation to select the bandwidth of a Gaussian kernel density estimator.

bcv(x, nb = 1000, lower, upper)

a bandwidth

a numeric vector

number of bins to use.

Range over which to minimize. The default is almost always satisfactory.

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, width.SJ, density

ucv

width.SJ

density

bcv(geyser$duration)

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