[R] how to control to save plots to which dev

[Prof Brian Ripley]

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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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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