From looking at the code for bubble(), it doesn't appear there's any
way to force special treatment of selected values.
However, a simple work around would be to simply exclude the zero
values from the plot(s) by subsetting your data creating a1 and a2.
If you really want *no* representation, you're done. If you want them
represented with the smallest dot size, then add them in afterwards
with plot(), xyplot(), or spplot(), depending.
Or, you could make a personal copy of bubble() [renamed, of course],
and modify it to handle zeros in a special manner. That doesn't look
too hard to do.
-Don
At 6:27 PM -0700 9/27/09, Marion Wittmann wrote:
Hello,
I am using the bubble plot and have been able to overlay two
different data sets on the same graphic successfully. I would like
to do the following and cannot:
1) suppress the zero values such that there is no representation of
them on my plot (i.e., the "zeroes" show up as the smallest dot
size, and I can't change this)
2) Give values to y or x axes with values, and labels
My script looks as such:
coordinates(data) = ~y + x
a1 = bubble(data, "Alive", zero.print = ".",maxsize = 5.0,
key.entries = 4*(1:6),col=c(0,3))
a2 = bubble(handcore, "Dead", maxsize = 5.0, main = "",
key.entries = 5*(0:10),col=c(0,4))
print(b1, more = TRUE)
print(b2, more = FALSE)
Thanks in advance for your help.
mw
Marion Wittmann, Ph.D.
Tahoe Environmental Research Center
University of California Davis
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--
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA
925-423-1062
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and provide commented, minimal, self-contained, reproducible code.
