locfit: plot.eval – R documentation

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plot.eval

Plot evaluation points from a 2-d locfit object.

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 *.

Usage

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

Arguments

`x`	`"locfit"` object.
`add`	If `TRUE`, add to existing plot.
`text`	If `TRUE`, numbers will be added indicating the order points were added.
`...`	Arguments passed to and from other methods.

Examples

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

locfit

Local Regression, Likelihood and Density Estimation

v1.5-9.4

GPL (>= 2)

Authors

Catherine Loader [aut], Jiayang Sun [ctb], Lucent Technologies [cph], Andy Liaw [cre]

Initial release

2020-03-24