[R] bwplot and outlier symbols

Deepayan Sarkar deepayan.sarkar at gmail.com
Tue Mar 14 17:48:27 CET 2006


On 3/14/06, Sundar Dorai-Raj <sundar.dorai-raj at pdf.com> wrote:
>
>
> vincent david wrote:
> > Hi,
> >
> > I was just trying to figure out how to beautify the output of my
> > bwplot-output. Altogether I figured most of the things out on my own. The
> > one thing which puzzles me though are the symbols for the outliers.
> >
> > I can easily change the form of the median symbol by using "pch"  but I
> > don't know how to do this for outliers. Obviously the "outpch" of the
> > "bxp"-function is not implemented.
> >
> > Any clue how to do this? Any documentation reference at hand?
> >
> > cheers
> >
> > Vincent
> >
>
> Hi, Vincent,
>
> You need to change the setting for "plot.symbol".
>
> trellis.par.set(theme = col.whitebg()) # not required, but my preference
> bwplot(voice.part ~ height, data = singer, xlab = "Height (inches)",
>         par.settings = list(plot.symbol = list(pch = 2, col = "blue")))
>
> I'm not sure where this is documented. I figured it out by reading the
> code for "panel.bwplot" which shows the settings used to plot the
> outlier symbols.

Should have been (but isn't) documented in ?panel.bwplot. I'll add a note.

Deepayan




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