From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Davison <davison@stats.ox.ac.uk>
Subject: Re: Babel - simple getting started problem
Date: Mon, 07 Dec 2009 12:12:15 -0500
Message-ID: <87fx7m674g.fsf@stats.ox.ac.uk>
References: <2c75873c0912062320m20284efawb5b4414fa5593691@mail.gmail.com>
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In-Reply-To: <2c75873c0912062320m20284efawb5b4414fa5593691@mail.gmail.com>
	(Graham Smith's message of "Mon, 7 Dec 2009 07:20:19 +0000")
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To: Graham Smith <myotisone@gmail.com>
Cc: emacs-orgmode@gnu.org

Graham Smith <myotisone@gmail.com> writes:

> I know I must be missing the obvious here, but why can't I get babel+R
> to calculate a mean. See below


>
> Many thanks,
>
> Graham
>
> * test
> #+srcname:trial
> #+begin_src R
> x<-c(4,5,6,7,8,9)
> #+end_src
>
> #+resname: trial
> | 4 |
> | 5 |
> | 6 |
> | 7 |
> | 8 |
> | 9 |
>
>
> * meantest
> #+begin_src R
> mean(trial)
> #+end_src

Hi Graham,

Here's a version of your example that works.

Dan


* test
#+srcname:trial
#+begin_src R
c(4,5,6,7,8,9)
#+end_src

Note I deleted the 'x <-' there. Unless you're using :session there's
no point assigning to a variable which is not used.

#+results: trial
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |

* meantest
#+srcname: calcmean(data=trial)
#+begin_src R
mean(data)
#+end_src

#+results: calcmean
: 6.5

or alternative syntax

#+begin_src R :var data=trial
mean(data)
#+end_src

#+results:
: 6.5



>
> #+resname:
>
> error in buffer "source block produced no output"
>
> * meantest2
> #+begin_src R
> mean(x)
> #+end_src
>
> #+resname:
>
> error in buffer "source block produced no output"
>
>
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