Thanks to all the persons who replied,
I was hoping for a quick "grid-free" solution but I guess it is not
Christmas time anymore :D
Grid coding it is.
On 12/29/2016 12:13 AM, Richard M. Heiberger wrote:
Yes, but it will probably require work. I think you will need to
write a grob that does what you want
and then use the grob in a legend statement in the xyplot.
Start with the 'legend' argument to xyplot (about line 940 in ?xyplot).
You will probably need to work directly with grid functions and will
find Paul Murrell's book very helpful.
https://www.crcpress.com/R-Graphics/Murrell/p/book/9781584884866
Rich
On Wed, Dec 28, 2016 at 9:50 PM, sbihorel
<sebastien.biho...@cognigencorp.com> wrote:
Hi,
I would like to create a custom key for a lattice xyplot in which line
elements are displayed on top of rectangle elements. In the example code
below, the lines and rectangles are shown side by side (the legend itself is
meaningless, but that is not the point). Is there a way to overlay these key
elements (but not the text)?
Thanks
xyplot(Sepal.Length + Sepal.Width ~ Petal.Length + Petal.Width,
iris,
type = c("p", "r"),
jitter.x = TRUE,
jitter.y = TRUE,
factor = 5,
key = list(
column=4,
text=list(lab=letters[1:4]),
lines=list(col=1:4, pch=1:4, type='b'),
rectangles=list(col=1:4, alpha=0.25, border=FALSE)
)
)
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--
Sebastien Bihorel
Associate Director, Pharmacometrics
Buffalo Office: +1-716-633-3463 ext. 323 | Website
<http://www.cognigencorp.com>
<http://www.simulations-plus.com/Default.aspx>
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and provide commented, minimal, self-contained, reproducible code.
