plotBiplot.pca: PCA biplot

In mdatools: Multivariate Data Analysis for Chemometrics

PCA biplot

Description

Shows a biplot for selected components.

Usage

## S3 method for class 'pca'
plotBiplot(
  obj,
  comp = c(1, 2),
  pch = c(16, NA),
  col = mdaplot.getColors(2),
  main = "Biplot",
  lty = 1,
  lwd = 1,
  show.labels = FALSE,
  show.axes = TRUE,
  show.excluded = FALSE,
  lab.col = adjustcolor(col, alpha.f = 0.5),
  ...
)

Arguments

obj	a PCA model (object of class pca)
comp	a value or vector with several values - number of components to show the plot for
pch	a vector with two values - markers for scores and loadings
col	a vector with two colors for scores and loadings
main	main title for the plot
lty	line type for loadings
lwd	line width for loadings
show.labels	logical, show or not labels for the plot objects
show.axes	logical, show or not a axes lines crossing origin (0,0)
show.excluded	logical, show or hide rows marked as excluded (attribute 'exclrows')
lab.col	a vector with two colors for scores and loadings labels
...	other plot parameters (see mdaplotg for details)

mdatools documentation built on Sept. 11, 2024, 7:59 p.m.