Plot a few principal components

Plot a few principal components against each other, their densities colored by some factor

pcaPlot(model, rank = 3, color)

Arguments

model	A 'prcomp' model
rank	Number of first principal components to select
color	A factor to color by

Value

Plots as a side effect

Examples

pcaPlot(prcomp(iris[,1:4]), color = iris$Species)