Re: Exporting output and graphics from R

[Feng Shu <tumashu@gmail.com>]

Rainer@krugs.de (Rainer M. Krug) writes:

> "Sebastien Vauban" <sva-news@mygooglest.com>
> writes:
>
>> Hi SabreWolfy,
>>
>> SabreWolfy wrote:
>>> When the following code is evaluated or exported, only the link to
>>> "testout.png" appears in the RESULTS section.
>>>
>>> #+BEGIN_SRC R :results output graphics :file testout.png :exports both
>>> plot(1:10, 1:10)
>>> x <- 1:10
>>> library(ascii)
>>> options(asciiType = "org")
>>> ascii(x)
>>> #+END_SRC
>>
>> Removing `output' here should solve the above point.
>>
>>> When this code is evaluated, the value of "x" appears in the RESULTS:
>>>
>>> #+BEGIN_SRC R :results output :exports both
>>> x <- 1:10
>>> library(ascii)
>>> options(asciiType = "org")
>>> ascii(x)
>>> #+END_SRC
>>>
>>> How can I get the first example to output both graphics and ascii output?
>>
>> AFAICT, you can't have both at the same time. Do you have a real use case for
>> this?
>
> Not directly, But I used the following approach to include pdf as well
> as jpeg ion a document.
>
> You simply have to create your graph in R and then include a link in org
> manually:
>
> ,----
> | #+BEGIN_SRC R :results output :exports both
> | png("testout.png")
> | plot(1:10, 1:10)
> | dev.off()
> | x <- 1:10
> | library(ascii)
> | options(asciiType = "org")
> | ascii(x)          
> | #+END_SRC
> | 
> | 
> | [[./testout.png]]
> `----
>


 #+BEGIN_SRC R :results output :exports both
 pngname <- "testout.png"
 png(pngname)
 plot(1:10, 1:10)
 dev.off()
 x <- 1:10
 paste("[[./", pngname, "]]",sep="")
 #+END_SRC



> you will get the code, result (output) and the graph (tested on export
> to pdf).
>
> Cheers,
>
> Rainer
>
>>
>> If really needed, you can define your code once, wrap it with some value for
>> the ":results" header, and "copy" it somewhere else via Noweb's facility,
>> where it can be evaluated under other values for the ":results" header.
>>
>>> I'm using Org 7.9.2.
>>
>> Try upgrading now to Org 8 so that you fiddle only once with the export
>> variables -- which changed, even if similar, between Org 7.9 and Org 8.
>>
>> Best regards,
>>   Seb
> <#secure method=pgpmime mode=sign>
>

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