plotLoadings.pca: Loadings plot for PCA model

In mdatools: Multivariate Data Analysis for Chemometrics

Loadings plot for PCA model

Description

Shows a loadings plot for selected components.

Usage

## S3 method for class 'pca'
plotLoadings(
  obj,
  comp = if (obj$ncomp > 1) c(1, 2) else 1,
  type = (if (length(comp == 2)) "p" else "l"),
  show.legend = TRUE,
  show.axes = TRUE,
  ...
)

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
type	type of the plot ('b', 'l', 'h')
show.legend	logical, show or not a legend on the plot
show.axes	logical, show or not a axes lines crossing origin (0,0)
...	other plot parameters (see mdaplotg for details)

Details

See examples in help for pca function.

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