plot.OCskree {oc}R Documentation

Optimal Classification Skree Plot

Description

plot.skree is the function that takes an Optimal Classification object and plots a Skree plot. Skree plots show the dimensionality of the voting by showing the sizes of the eigenvalues.

Usage

plot.OCskree(x, main.title="Skree Plot", x.title="Dimension",
        y.title="Eigenvalue",...)

Arguments

x an OCobject output object.
main.title string, Skree plot title.
x.title string, x-axis label.
y.title string, y-axis label.
... other arguments to plot.

Value

A Skree plot, showing the first 20 eigenvalues.

Author(s)

Keith Poole kpoole@ucsd.edu

Jeffrey Lewis jblewis@ucla.edu

James Lo jameslo@ucla.edu

Royce Carroll rcarroll@ucsd.edu

See Also

'oc', 'plot.OCcoords', 'plot.OCangles', 'plot.OCcutlines', 'plot.OCobject'

Examples

    #This data file is the same as that obtained using:
    #data(sen90)
    #sen90oc<-oc(sen90,dims=2,polarity=c(7,2)) 

    data(sen90oc)
    summary(sen90oc)
    plot.OCskree(sen90oc)

[Package oc version 0.04 Index]