On Fri, Dec 16, 2011 at 1:22 AM, Max Kuhn <mxk...@gmail.com> wrote:
> Somewhere I've seen an example of an xyplot() where the key was placed
> in a location of a missing panel. For example, if there were 3
> conditioning levels, the panel grid would look like:
>
> 34
> 12
>
> In this (possibly imaginary) example, there were scatter plots in
> locations 1:3 and location 4 had no conditioning bar at the top, only
> the key.
>
> I can find examples of putting the legend outside of the panel
> locations (e.g to the right of locations 2 and 4 above), but that's
> not really what I'd like to do.
You are probably thinking of this example from ?splom:
splom(~iris[1:3]|Species, data = iris,
layout=c(2,2), pscales = 0,
varnames = c("Sepal\nLength", "Sepal\nWidth", "Petal\nLength"),
page = function(...) {
ltext(x = seq(.6, .8, length.out = 4),
y = seq(.9, .6, length.out = 4),
labels = c("Three", "Varieties", "of", "Iris"),
cex = 2)
})
It's actually easier to do that with legends, as illustrated by this
(somewhat silly) modification:
splom(~iris[1:3]|Species, data = iris, groups = Species,
layout=c(2,2), pscales = 0,
varnames = c("Sepal\nLength", "Sepal\nWidth", "Petal\nLength"),
auto.key = list(x = 0.75, y = 0.75, corner = c(0.5, 0.5)))
-Deepayan
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