[Orgmode] [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?

2010-12-02 Thread Sunny Srivastava
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.

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.

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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Re: [Orgmode] [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?

2010-12-02 Thread Thomas S. Dye

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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Re: [Orgmode] [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?

2010-12-02 Thread Sunny Srivastava
Thank you Thomas.

On Thu, Dec 2, 2010 at 10:33 AM, Thomas S. Dye t...@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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 Please use `Reply All' to send replies to the list.
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 http://lists.gnu.org/mailman/listinfo/emacs-orgmode



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