plotLoadings.pca {mdatools}

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.