[R] Empty pdf

[Adrian Trapletti]

Thank you
Adrian

On 07/01/2013 03:04 PM, peter dalgaard wrote:
> On Jul 1, 2013, at 14:35 , Adrian Trapletti wrote:
>
>> Dear all,
>>
>> I am comparing "R CMD BATCH script.R" with running the following code snippet within R:
>>
>> pdf("Rplots.pdf")
>> source("script.R")
>> dev.off()
>> q(save="no")
>>
>> Among other things, one difference is that the former produces no Rplots.pdf while the latter produces an empty Rplots.pdf, if script.R does not contain "plotting" commands (R version 3.0.1, i486-pc-linux-gnu (32-bit)). What is the difference between the two with respect to pdf plotting?
>
> Same as on the command line: If you type quartz() (or whatever is the default device for you), you get an empty window if no plotting follows. If you type plot(0:9), the quartz() device is opened for you and plotted into.
>
> You could try
>
> options(device=pdf)
> source("script.R")
> q(save="no")
>

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Dr. Adrian Trapletti
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