Re: [org-babel-R] Help: In converting an .org file to pdf, do I need to re-run the R code even if I ran them previously?

[Sunny Srivastava <research.baba@gmail.com>]

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Thank you Thomas.

On Thu, Dec 2, 2010 at 10:33 AM, Thomas S. Dye <tsd@tsdye.com> wrote:

> Aloha Sunny,
>
>
> On Dec 1, 2010, at 11:05 PM, Sunny Srivastava wrote:
>
>  Hello Org-moders:
>>
>> I am trying to use org-mode, instead of Sweave, to write a report for a
>> statistical analysis. During the process of writing, I prefer to export the
>> org file to pdf to see the output (for sanity check). However, every time I
>> do this, I get a question in minibuffer to choose if I want to "run the R
>> code". I have three questions related to this:
>>
>> 1. Can I turn this feature off and let "org-babel-R" (sorry if this is
>> something else) automatically choose YES if the code has not been run
>> already and NO if the code has been already run.
>>
>>
> This is the :cache header argument.  The setting you want is :cache yes.
>
>
>  2. Currently, if the code was run already, I choose NO. I am assuming this
>> won't affect the results. Am I correct? (If I change something in the code I
>> run it using C-c in org-mode before exporting it to pdf)
>>
>> 3. Is there a way to know which R code chunk is "org-babel-R" asking to
>> run, when it asks the question about running the R code.
>>
>>
> This behavior has changed relatively recently. I believe that with a recent
> version, answering NO won't abandon the evaluation of subsequent code
> blocks, and that the code block name is visible when the question is asked.
>  This is something I don't use, so you'd have to pull and see for yourself.
>
> For me, it is preferable to disable the query.  To disable the query, I set
> this:
>
> #+begin_src emacs-lisp :tangle yes
>   (setq org-confirm-babel-evaluate nil)
> #+end_src
>
> hth,
> Tom
>
>> I looked in the uses of org-babel-R webpage on worg, but could not see
>> anything related to this. Sorry if I missed something or the query is too
>> basic.
>>
>> Thank you.
>>
>> Regards,
>> S.
>>
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>>
>
>

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