plot.OCskree: Optimal Classification Skree Plot

In oc: Optimal Classification Roll Call Analysis Software

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

## S3 method for class 'OCskree'
plot(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 [e-mail]

Jeffrey Lewis [e-mail]

James Lo [e-mail]

Royce Carroll [e-mail]

See Also

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

Examples

    #This data file is the same as that obtained using:
    ## Not run: 
    data(sen90)
    sen90oc <- oc(sen90,dims=2,polarity=c(7,2)) 
	
## End(Not run)
    data(sen90oc)
    summary(sen90oc)
    plot.OCskree(sen90oc)

oc documentation built on Feb. 16, 2023, 8:17 p.m.