panel.locfit: Locfit panel function

Description Usage Arguments See Also Examples

Description

This panel function can be used to add locfit fits to plots generated by trellis.

Currently it works with xyplot for 1-d fits and crudely with wireframe for 2-d fits.

Usage

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panel.locfit(x, y, subscripts, z, xyz.labs, xyz.axes, xyz.mid, xyz.minmax, 
  xyz.range, col.regions, at, drape, contour, region, groups, ...)

Arguments

...

Most Locfit arguments can be passed through xyplot.

See Also

locfit, plot.locfit.3d, xyplot.

Examples

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stopifnot(require(lattice))

# a simple multi-panel display
data(ethanol, package="locfit")
xyplot(NOx ~ E | C, data=ethanol, panel=panel.locfit)

# The second example uses some Locfit optional arguments.
# Note we can pass the alpha (bandwidth) and family arguments directly to
# xyplot. The cens argument must be given in full; not as a data frame variable.
# The resulting plot does not (yet) distinguish the censored points, but
# the fit will correctly apply censoring.
data(border, package="locfit")
xyplot(runs ~ day, data=border, panel=panel.locfit, family="poisson",
 alpha=0.3, cens=border$no)


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