plot.ellipse: Plot a concentration ellipse.

In MultBiplotR: Multivariate Analysis Using Biplots in R

Plot a concentration ellipse.

Description

Plot a concentration ellipse obtained from ConcEllipse.

Usage

## S3 method for class 'ellipse'
plot(x, add=TRUE, labeled= FALSE , 
center=FALSE, centerlabel="Center", initial=FALSE,  ...)

Arguments

x	An object with class ellipse obtained from ConcEllipse.
add	Should the ellipse be added to the current plot?
labeled	Should the ellipse be labelled with the confidence level?
center	Should the center be plotted?
centerlabel	Label for the center.
initial	Should the initial data be plotted?
...	Any other graphical parameter that can affects the plot (as color, etc ...)

Details

Plots an ellipse containing a specified percentage of the data.

Value

No value returned

Author(s)

Jose Luis Vicente Villardon

References

Meulman, J. J., & Heiser, W. J. (1983). The display of bootstrap solutions in multidimensional scaling. Murray Hill, NJ: Bell Laboratories.

Linting, M., Meulman, J. J., Groenen, P. J., & Van der Kooij, A. J. (2007). Stability of nonlinear principal components analysis: An empirical study using the balanced bootstrap. Psychological Methods, 12(3), 359.

See Also

ConcEllipse, ~~~

Examples

data(iris)
dat=as.matrix(iris[1:50,1:2])
plot(iris[,1], iris[,2],col=iris[,5], asp=1)
E=ConcEllipse(dat, 0.95)
plot(E, labeled=TRUE, center=TRUE)

MultBiplotR documentation built on Nov. 21, 2023, 5:08 p.m.