LOCFIT: R and S-Plus Help

Locfit term in Additive Model formula

Usage:


lf(..., alpha=0.7, deg=2, scale=1, kern="tcub", ev="tree", maxk=100)

Description:

This function is used to specify a smooth term in a gam() model formula.

At the time of writing, gam is not available in R.

Arguments:

...: numeric predictor variable(s)
alpha: and other arguments are as in locfit.raw().

Examples:


# fit an additive semiparametric model to the ethanol data.
if (exists("gam")) {  # shut up R's checks
fit <- gam(NOx~lf(E)+C,data=ethanol)
plot(fit)
}