ggscreeplot.ictest: Screeplot for an ictest Object Using ggplot2

In ICtest: Estimating and Testing the Number of Interesting Components in Linear Dimension Reduction

Screeplot for an ictest Object Using ggplot2

Description

Plots the criterion values of an ictest object against its index number using ggplot2. Two versions of this screeplot are available.

Usage

## S3 method for class 'ictest'
ggscreeplot(x, type = "barplot", main = deparse(substitute(x)),
            ylab = "criterion", xlab = "component", ...)

Arguments

x	object of class ictest.
type	barplot if a barplot or lines if a line plot is preferred.
main	main title of the plot.
ylab	y-axis label.
xlab	x-axis label.
...	arguments passed to and from methods.

Author(s)

Klaus Nordhausen, Joni Virta

See Also

screeplot.ictest

Examples

n <- 200
X <- cbind(rnorm(n, sd = 2), rnorm(n, sd = 1.5), rnorm(n), rnorm(n), rnorm(n))

TestCov <- PCAasymp(X, k = 2)
ggscreeplot(TestCov)

ICtest documentation built on June 8, 2025, 10:42 a.m.