[R] Lattice xyplot: Fill Legend Points

S Ellison S.Ellison at lgcgroup.com
Fri Oct 18 14:05:27 CEST 2013

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Rich Shepard
> Subject: [R] Lattice xyplot: Fill Legend Points
>    When I specify pch = 19 for a scatter plot the points are filled
> circles.
> Deapite reading ?points and trial-and-error experimentation I have not
> found
> how to have the legend symbols (now open circles) filled.

Using trellis.par.set seems more successful than specifying par.settings in the call, however much I'd prefer to avoid relying on globals. Example:


#Example from xyplot
dotplot(variety ~ yield | site, data = barley, groups = year,
         key = simpleKey(levels(barley$year), space = "right"),
         xlab = "Barley Yield (bushels/acre) ",
         aspect=0.5, layout = c(1,6), ylab=NULL)

S Ellison

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