ggscreeplot.ictest {ICtest}

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)