archetypes (version 1.0)

archetypes: Perform archetypal analysis on a data matrix.

Description

Perform archetypal analysis on a data matrix.

Usage

archetypes(data, k, maxIterations=100,
    minImprovement=sqrt(.Machine$double.eps), maxKappa=1000,
    verbose=TRUE, saveHistory=TRUE, family=archetypesFamily("default"))

Arguments

data

A numeric $n \times m$ data matrix.

k

The number of archetypes.

maxIterations

The maximum number of iterations.

minImprovement

The minimal value of improvement between two iterations.

maxKappa

The limit of kappa to report an ill-ness warning.

verbose

Print some details during execution.

saveHistory

Save each execution step in an environment for further analyses.

family

Blocks defining the underlying problem solving mechanisms; see archetypesFamily.

Value

• An object of class archetypes, see as.archetypes.

References

Cutler and Breiman. Archetypal Analysis. Technometrics, 36(4), 1994. 338-348.

See Also

stepArchetypes

Examples

data(toy)
a <- archetypes(toy, 3)