LOCFIT: R and S-Plus Help

plot.eval

Plot evaluation points from a 2-d locfit object.

plot.eval

Usage:


plot.eval(x, add=F, text=F)

Description:

This function is used to plot the evaluation structure generated by Locfit for a two dimensional fit. Vertices of the tree structure are displayed as O; pseudo-vertices as *.

Arguments:

x: "locfit" object.
add: If T, add to existing plot.
add: If T, numbers will be added indicating the order points were added.

Examples:


data(ethanol)
fit <- locfit(NOx~E+C,data=ethanol,scale=0)
plot.eval(fit)