# bcv

From MASS v7.3-47
by Brian Ripley

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

- Keywords
- dplot

##### Usage

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

##### Arguments

- x
- a numeric vector
- nb
- number of bins to use.
- lower, upper
- Range over which to minimize. The default is almost always satisfactory.

##### Value

a bandwidth

##### References

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.

##### See Also

##### Examples

`library(MASS)`

```
bcv(geyser$duration)
```

*Documentation reproduced from package MASS, version 7.3-47, License: GPL-2 | GPL-3*

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