R: Comparison Screeplot

screePlot.covfm {robust} | R Documentation

## Comparison Screeplot

### Description

Draws overlaid screeplots for the models in a `covfm` object.

### Usage

      screePlot.covfm(x, npcs, strip = "", ...)

### Arguments

`x` | a `"covfm"` object.
`npcs` | a postive integer value specifying the number of components to be plotted.
`strip` | a character string printed in the “strip” at the top of the plot.
`...` | additional arguments are passed to `xyplot`.

### Value

the `trellis` object is invisibly returned.

### Examples

      data(woodmod.dat)
      woodm.fm <- fit.models(list(Robust = "covRob", Classical = "covClassic"),
                             data = woodmod.dat)
      screePlot.covfm(woodm.fm, main = "Plot Title", xlab = "x-axis label",
                      ylab = "y-axis label", pch = 4:5)

[Package robust version 0.6-0 Index]