bb.subset {Rfwdmv}R Documentation

Initial Subset by Bivariate Box Plots

Description

Computes the initial subset using robust bivariate boxplots as described in ARC.

Usage

bb.subset(X, size)

Arguments

X a matrix or data frame containing a multivariate data set.
size the size of the initial subset.

Value

An integer vector containing the indexes of the units in the initial subset.

Author(s)

Aldo Corbellini

References

Zani, S., Riani M. and Corbellini A. (1998), "Robust Bivariate Boxplots and Multiple Outlier Detection", Computational Statistics and Data Analysis (1998), pp. 257-270.

Atkinson, A. C., Riani, M. and Cerioli, A. (2004) Exploring Multivariate Data with the Forward Search. Springer-Verlag New York.

See Also

fwdmv fwdmv.init fwdmvPrePlot

Examples

data(fondi.dat)
fondi.fwdmv <- fwdmv(fondi.dat, bsb = bb.subset)

### start with a subset size m=22
data(fondi.dat)
fondi.fwdmv <- fwdmv(fondi.dat, bsb = bb.subset(fondi.dat,22))

[Package Rfwdmv version 0.72-2 Index]