[R] Set size of plot: in pdf() or par() ?

[Ista Zahn]

It should be specified in pdf() as you did. If you try

pdf("try.pdf", height=2, width=2)

par(pin=c(0.5, 0.3),mai=rep(0.1,4), omi=rep(0.01,4), mar=c(5,4,4,2))

plot(runif(100))

dev.off()

I think the problem will become apparent.

best,
Ista

On Wed, Feb 23, 2011 at 12:39 PM, Matthieu Stigler
<matthieu.stigler at gmail.com> wrote:
> Dear R List
>
> Could I ask again my question about where the size of a plot should be
> specified (in par or pdf?). I still did not figure out, and any help would
> be much appreciated!!
>
> Thanks a lot!
>
> Matthieu
>
> Le 22. 02. 11 13:53, Matthieu Stigler a écrit :
>>
>> Hi
>>
>> I want to have a rectangular plot of size 0.5*0.3 inches. I am having
>> surprisingly a difficult time to do it... Since I will export it, I use also
>> pdf(). The plot works fine, but once I specify the size in pdf() I get
>> problems... see:
>>
>> Say I specify my plot as following:
>>
>> par(pin=c(0.5, 0.3),mai=rep(0.1,4), omi=rep(0.01,4), mar=c(5,4,4,2))
>>
>> plot(runif(100))
>>
>>
>> If I now add
>>
>> pdf()
>>
>> par(pin=c(0.5, 0.3),mai=rep(0.1,4), omi=rep(0.01,4), mar=c(5,4,4,2))
>>
>> plot(runif(100))
>>
>> dev.off()
>>
>>
>> The resulting pdf has not the size specified!
>>
>> If I specifz this size in pdf(), I get an error...
>>
>> pdf("try.pdf", height=0.3, width=0.5)
>>
>> par(pin=c(0.5, 0.3),mai=rep(0.1,4), omi=rep(0.01,4), mar=c(5,4,4,2))
>>
>> plot(runif(100))
>>
>> Error in plot.new() : figure margins too large
>>
>>
>> So obviously pdf() is modifying some other par() parameter I could not
>> figure out... Any idea?
>>
>> Thanks!!
>>
>> Matthieu
>
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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org