Thanks, Prof Ripley. I was using dev.next(), dev.prev(),, but I am
wondering, instead of switching the current dev, is there a way to
more directly print plot A into file connection A, plot B into file
connection B...? Because if coding with more then two dev
simultaniously, one could easily get confused which dev is the current
one.

On Tue, Aug 2, 2011 at 1:28 AM, Prof Brian Ripley <[email protected]> wrote:
> On Tue, 2 Aug 2011, David Winsemius wrote:
>
>>
>> On Aug 1, 2011, at 11:14 PM, zhenjiang xu wrote:
>>
>>> Hi,
>>>
>>> I have a for loop to make 2 types of plots and I'd like to save one
>>> type of plots to a pdf file and the other to another pdf file. How can
>>> I control which plot will be saved to which pdf? Thanks
>>
>> Why not give them file names that identify the type?
>
> I think he wants
>
> pdf("a.pdf")
> pdf("b.pdf")
> for(i in 1:n) {
> plot something on a.pdf
> plot something on b.pdf
> }
>
> This is done using dev.prev/dev.next/dev.set: see their help for details.
>
>>
>> --
>>
>> David Winsemius, MD
>> West Hartford, CT
>>
>> ______________________________________________
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
> --
> Brian D. Ripley,                  [email protected]
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>



-- 
Best,
Zhenjiang

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