From: tsd@tsdye.com (Thomas S. Dye)
To: Andreas Leha <andreas.leha@med.uni-goettingen.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: [babel] problem with colnames
Date: Tue, 08 May 2012 09:16:08 -1000 [thread overview]
Message-ID: <m1txzq32mf.fsf@tsdye.com> (raw)
In-Reply-To: <87r4uu33ks.fsf@med.uni-goettingen.de> (Andreas Leha's message of "Tue, 08 May 2012 20:55:31 +0200")
Aloha Andreas,
Andreas Leha <andreas.leha@med.uni-goettingen.de> writes:
> Hi all,
>
> I have a question regarding colnames in babel source blocks.
>
> Suppose, I have a source block (in R) that has as input a table and returns a
> table. And I would like to have the resulting table with column
> names, but the input table does not have column names.
>
> How can I achieve this?
I don't think this is possible with the current ob-r.el. I found this
problem a few months ago and have been working around it since then. I
think the solution is to patch ob-r.el so the :colnames header argument
has 4 states: none, input, output, both.
All the best,
Tom
>
>
> Here is an example:
>
> The input table
>
> #+name: intab
> | bla |
> | blu |
>
>
> By default, the colnames are stripped off the result:
>
> #+begin_src R :var intab=intab
> colnames(intab) <- "rara"
>
> intab
> #+end_src
>
> #+results:
> | bla |
> | blu |
>
>
> The same happens when setting :colnames no
>
> #+begin_src R :var intab=intab :colnames no
> colnames(intab) <- "rara"
>
> intab
> #+end_src
>
> #+results:
> | bla |
> | blu |
>
>
> Setting :colnames yes strips the first row from the input:
>
> #+begin_src R :var intab=intab :colnames yes
> colnames(intab) <- "rara"
>
> intab
> #+end_src
>
> #+results:
> | rara |
> |------|
> | blu |
>
>
> Finally, setting :colnames nil also strips the first row from the input:
>
> #+begin_src R :var intab=intab :colnames nil
> colnames(intab) <- "rara"
>
> intab
> #+end_src
>
> #+results:
> | rara |
> |------|
> | blu |
>
>
> Regards,
> Andreas
>
>
>
--
Thomas S. Dye
http://www.tsdye.com
next prev parent reply other threads:[~2012-05-08 19:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-08 18:55 [babel] problem with colnames Andreas Leha
2012-05-08 17:57 ` Eric Schulte
2012-05-08 20:26 ` Andreas Leha
2012-05-08 19:16 ` Thomas S. Dye [this message]
2012-05-08 19:26 ` Andreas Leha
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