Message-ID: <eb555e660712131252i17bfb18dg927f3e94888fe9ff@mail.gmail.com>
Date: 2007-12-13T20:52:22Z
From: Deepayan Sarkar
Subject: Overlaying trellis xyplot on contourplot
In-Reply-To: <OFA430680F.7B901ACA-ON882573B0.006B055B-882573B0.006BBFFD@fs.fed.us>
On 12/13/07, Seth W Bigelow <sbigelow at fs.fed.us> wrote:
>
> Friends: I wish to overlay data points on a contour graph. The following
> example produces a nice contour plot, but I have not mastered the concept
> of using panel functions to modify plots. Can someone show me how to
> overlay the data points (given after contour plot statement) on the
> contourplot?
MASS has an example (Figure 4.3); see
file.show(system.file("scripts/ch04.R", package = "MASS"))
-Deepayan