Shows a biplot for selected components.
# S3 method for 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 = c("#90A0D0", "#D09090"), ...)a PCA model (object of class pca)
a value or vector with several values - number of components to show the plot for
a vector with two values - markers for scores and loadings
a vector with two colors for scores and loadings
main title for the plot
line type for loadings
line width for loadings
logical, show or not labels for the plot objects
logical, show or not a axes lines crossing origin (0,0)
logical, show or hide rows marked as excluded (attribute `exclrows`)
a vector with two colors for scores and loadings labels
other plot parameters (see mdaplotg for details)