clues (version 0.5.9)

Maronna: The Maronna Data Set

Description

The Maronna data set.

Usage

data(Maronna)

Value

A list contains a 200 by 2 data matrix and a 200 by 1 cluster membership vector. There are 4 equally distributed clusters in a two-dimensional space. The first cluster consists of the first 50 data points, the second cluster corresponds to the next 50 data points and so on.

References

Maronna, R., Jacovkis, P.M, 1974. Multivariate clustering procedures with variable metrics. Biometrics 30, 499-505.

Examples

# NOT RUN {
    data(Maronna)
    # data matrix
    maronna <- Maronna$maronna

    # cluster membership
    maronna.mem <- Maronna$maronna.mem
    # 'true' number of clusters
    nClust <- length(unique(maronna.mem))

    # scatter plots
    plotClusters(maronna, maronna.mem)

# }