Re: [R] cloud plot has white(transparent?) background

From: Deepayan Sarkar <deepayan.sarkar_at_gmail.com>
Date: Tue, 22 Apr 2008 09:45:15 -0700

On 4/22/08, Karin Lagesen <karin.lagesen_at_medisin.uio.no> wrote:
>
>
> I am using the code example from the R graph gallery to look at a
> cloud plot:
>
> require(lattice)
> data(iris)
> print(cloud(Sepal.Length ~ Petal.Length * Petal.Width, data = iris,
> groups = Species, screen = list(z = 20, x = -70),
> perspective = FALSE,
> key = list(title = "Iris Data", x = .15, y=.85, corner = c(0,1),
> border = TRUE,
> points = Rows(trellis.par.get("superpose.symbol"), 1:3),
> text = list(levels(iris$Species)))))
>
> Now, in the example on the webpage this comes out with a nice gray
> background that makes things easier to see. Mine comes out with a
> white, potentially transparent background and also the point colors
> have changed.
>
> How do I get the nice gray color back?

Try:

require(lattice)
trellis.device(theme = standard.theme("x11")) # new device data(iris)

print(cloud(Sepal.Length ~ Petal.Length * Petal.Width, data = iris,

           groups = Species, screen = list(z = 20, x = -70),
           <...>

There is some history involved here that I won't go into (but is briefly alluded to in ?trellis.device).

-Deepayan



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