panel.car: Panel Function for Coplots

In car: Companion to Applied Regression

Panel Function for Coplots

Description

a panel function for use with coplot that plots points, a lowess line, and a regression line.

Usage

panel.car(x, y, col, pch, cex=1, span=0.5, lwd=2, 
  reg.line=lm, lowess.line=TRUE, ...)

Arguments

x	vector giving horizontal coordinates.
y	vector giving vertical coordinates.
col	point color.
pch	plotting character for points.
cex	character expansion factor for points.
span	span for lowess smoother.
lwd	line width, default is 2.
reg.line	function to compute coefficients of regression line, or FALSE for no line.
lowess.line	if TRUE plot lowess smooth.
...	other arguments to pass to functions lines and regLine.

Value

NULL. This function is used for its side effect: producing a panel in a coplot.

Author(s)

John Fox [e-mail]

See Also

coplot, regLine

Examples

coplot(prestige ~ income|education, panel=panel.car, 
  col="red", data=Prestige)

car documentation built on Sept. 27, 2024, 9:06 a.m.