you have to go in sequence- you are opening a pdf device then a jpeg device
and ploting to the jpeg device. My suggestion would be to do
pdf()
plot(yourplot)
dev.off()
jpeg
plot(yourplot)
dev.off()
this should work
On Tue, Jul 22, 2008 at 9:50 AM, Monica Pisica <[EMAIL PROTECTED]>
wrote:
>
> Hi,
>
> I want to save a plot automatically as a pdf and jpg, and if I open the pdf
> device first and jpeg second only the jpeg file saves correctly
. If I do
> reverse, only the pdf file saves correctly.
>
> pdf('E:/my_graphs/test1.pdf', bg = "white")
> jpeg('E:/my_graphs/test1.jpg', quality = 100, bg = "white", res = 200,
> width = 7, height = 7, units = "in")
> plot(seq(1, 10), seq(1, 10))
> dev.off()
> dev.off()
>
> In this case the pdf is not saved correctly and cannot be viewed by Adobe
> the error is "it has no pages". If the jpeg device is first open
. It will
> save an empty page. Of course I can open one device at a time have the plot
> saved and close that device, and open it again and do same thing, but I
> think I should be able to have the plot command only once. I am working on a
> Windows machine, R.2.7.0.
>
> Any suggestions will be very much appreciated.
>
> Thanks,
>
> Monica
>
>
> _________________________________________________________________
>
>
> enger2_072008
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