| panel.car {car} | R Documentation | 
a panel function for use with coplot that plots points, a lowess line,
and a regression line.
panel.car(x, y, col, pch, cex=1, span=0.5, lwd=2, regression.line=lm, lowess.line=TRUE, ...)
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. | 
regression.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 reg.line. | 
NULL. This function is used for its side effect: producing
a panel in a coplot.
John Fox jfox@mcmaster.ca
coplot(prestige~income|education, panel=panel.car, col="red", data=Prestige)