See FAQ 7.22 and fortune("line 800").
cheers,
Rolf Turner
On 21/12/12 06:29, Sam Steingold wrote:
Hi,
When I was using the regular plot() function, I added this:
--8<---------------cut here---------------start------------->8---
if (!is.null(file)) {
do.call(tools::file_ext(file),list(file = file))
on.exit(dev.off())
cat("writing",file,"\n")
}
--8<---------------cut here---------------end--------------->8---
to the beginning of each of my functions which plotted anything.
now that I am using lattice::xyplot to plot multiple lines, the above
code does NOT result in the plot being written to a file.
why?
I trued passing file=file to xyplot but that appears to be ignored too.
so, how do I tell lattice::xyplot to write charts in png files?
thanks!
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