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From: Andreas Leha <andreas.leha@med.uni-goettingen.de>
To: emacs-orgmode@gnu.org
Subject: Re: SO question on dynamic arguments
Date: Tue, 14 Feb 2012 23:53:58 +0100	[thread overview]
Message-ID: <87r4xx10xl.fsf@med.uni-goettingen.de> (raw)
In-Reply-To: 21A5E1E970CD46459ECBE86D6CC4B28C53418407@spexch01.WindLogics.local

Ken Williams <Ken.Williams@windlogics.com> writes:

> I asked this question on Stack Overflow today, I wonder if someone
> might know the answer here:
>
>  
>
>  
> http://stackoverflow.com/questions/9215216/computing-argument-values-dynamically 
>
>  
>
> It’s about computing arguments to a “#+begin_src R” block based on
> previous R results.
>
>  
>
> Thanks.
>
>  
>
> --
>
> Ken Williams, Senior Research Scientist
>
> WindLogics
>
> http://windlogics.com
>
>  
>
>
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Hi Ken,

I think you can not extract variables from underlying processes (like R)
in org.

What you can do in your example, however, is
(1) name the first source block
(2) call it with sbe
(3) do the calculation in emacs-lisp
which would look something like this:

,----[ example ]
| #+name: setheight
| #+begin_src R
| x <- 5
| #+end_src
| 
| #+begin_src R :results graphics :file foo.svg :height (* 3 (string-to-int (sbe setheight)))
| plot(1:10)
| #+end_src
`----

Cheers,
Andreas

     prev parent reply	other threads:[~2012-02-14 22:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-09 19:01 SO question on dynamic arguments Ken Williams
2012-02-14 22:53 ` Andreas Leha [this message]

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