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From: "Christopher W. Ryan" <cryan@binghamton.edu>
To: emacs-orgmode@gnu.org
Subject: Re: Babel problem (was  how do scientists use org mode?)
Date: Thu, 02 Feb 2012 13:59:03 -0500	[thread overview]
Message-ID: <4F2ADCF7.9070402@binghamton.edu> (raw)
In-Reply-To: <CA+M2ft-9-SZWAADxH_BBWRDhbsVVXAMOc3HAX=1i=cctZ+K5aQ@mail.gmail.com>

John and Nick--

The question about whether I have python on my machine is not silly--I
am. Got so carried away I forgot I was on my work computer, which indeed
does not have python. But I do have R and perl, and similar code blocks
in either language yield the same problem, so I'll just focus on them as
examples (he said, sheepishly.)

I usually interface with R via emacs ESS. Currently ESS is using R
version 2.11.1.

R executable is in C:\Program Files\R\R-2.11.1\bin

I usually interface with perl via another text editor, Programmer's
Notepad, set up with drop-down menu item to execute the file in perl.

Perl executable is in C:\strawberry\perl\bin

C:\Org\org-7.7\lisp contains, among others, files called ob-R.el and
ob-perl.el

Currently my path variable looks like this:

Files\QuickTime\QTSystem\;C:\WINDOWS\system32\WindowsPowerShell\v1.0;C:\Xpdf;C:\strawberry\perl\bin;C:\strawberry\c\bin;C:\strawberry\perl\site\bin


My .emacs now contains:

;; active Babel languages
(org-babel-do-load-languages
 'org-babel-load-languages
 '((R . t)
   (python . t)
   (perl . t)
   ))


As to Nick's questions,

M-x locate-library RET ob-R RET

tells me ob-R is located in C:\Org\org-7.7\lisp\ob-R.el

M-: to evaluate (require 'ob-R.el)

yields ob-R in the minibuffer

Then C-c C-c in the R code block yields

Code block produced not output.

in the minibuffer,

and a new buffer that says,

'R' is not recognized as an internal or external command,
operable program or batch file.


I tried evaluating (require 'ob-perl) and this yielded

ob-perl

in the minibuffer, and thereafter the perl code block executed properly.

I wonder if I need to put the path to R in my PATH variable? (come to
think of it, don't know why it's not already there); its absence has so
far not prevented me from using R via ESS.

Thanks.

--Chris


Christopher W. Ryan, MD
SUNY Upstate Medical University Clinical Campus at Binghamton
425 Robinson Street, Binghamton, NY  13904
cryanatbinghamtondotedu


John Hendy wrote:
> Hi Chris; this digressed enough into a babel problem that I started a
> new subject for the list.
> 
> On Thu, Feb 2, 2012 at 11:19 AM, Christopher W. Ryan
> <cryan@binghamton.edu> wrote:
>> Just tried a similar thing on my computer at work: WinXP, emacs-22.3.1,
>> org-mode 7.7.  I tried both R and python.  With this in my .emacs file:
>>
>> ;; active Babel languages
>> (org-babel-do-load-languages
>>  'org-babel-load-languages
>>  '((R . t)
>>   (python . t)
>>   ))
>>
>> Here are the contents of the org file I am playing with:
>>
>> #+begin_src R
>> rnorm(10)
>> #+end_src
>>
>> #+begin_src python
>> print "Hello, World!"
>> #+end_src
>>
>>
>> C-c C-c the first block results in a message like this:
>>
>> Evaluate this R code block on your system? (yes or no)
>>
>> Answering yes yields:
>>
>> No org-babel-execute function for R!
>>
>> Trying the same in the python block yields the same results, except with
>> "python" substituted for "R" in all the messages.
>>
>> Any suggestions where I am going wrong?
> 
> Silly question... do you have both R and python installed on your
> computer? Perhaps provide the paths of your R and python executable
> files. Win settings can be tricky sometimes. Another question would
> be, how do you typically use R and python directly?
> 
> John
> 
>>
>> Thanks.
>>
>> --Chris Ryan
>>

next prev parent reply	other threads:[~2012-02-02 18:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-02 17:27 Babel problem (was how do scientists use org mode?) John Hendy
2012-02-02 18:59 ` Christopher W. Ryan [this message]
2012-02-02 20:12   ` Nick Dokos

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