ellipse.subset {Rfwdmv}R Documentation

Initial Subset by Robustly Centered Ellipses

Description

Computes the initial subset using robustly centered ellipses as described in ARC.

Usage

ellipse.subset(X, size)

Arguments

X a numeric matrix containing the multivariate data set.
size an integer specifying the size of the initial subset.

Author(s)

Kjell Konis

References

Riani M. and Zani S. (1997), An Iterative Method for the Detection of Multivariate Outliers", Metron, pp. 101-117.

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

See Also

fwdmv.object, fwdmv

Examples

data(fondi.dat)

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

[Package Rfwdmv version 0.72-2 Index]