From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Charles C. Berry" <ccberry@ucsd.edu>
Subject: Re: Wrong results from R source block when returning a list
Date: Tue, 3 Nov 2015 08:59:56 -0800
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References: <m2si4nmgje.fsf@krugs.de>
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To: Rainer M Krug <Rainer@krugs.de>
Cc: emacs-orgmode@gnu.org

On Tue, 3 Nov 2015, Rainer M Krug wrote:

> Hi
>
> The following code block returns a wrong table / list:
>
>
> #+begin_src R :results value list
> list(1:10, 1:5)
> #+end_src
>
> #+RESULTS:
> - (1 1)
> - (2 2)
> - (3 3)
> - (4 4)
> - (5 5)
> - (6 1)
> - (7 2)
> - (8 3)
> - (9 4)
> - (10 5)
>
> The result is actually in R:


In particular in `org-babel-R-write-object-command' which uses 
write.table() which uses as.data.frame() which dispatches to 
as.data.frame.list() which calls data.frame() where the recycling occurs.

[snip]

> I have no idea if this is a bug or wrong result due to incompatible
> types (R list and org table)?

If you can't coerce a non-atomic R object to a data.frame and get a 
pleasing result, you need to craft your own solution.

>
> Is this mentioned in the manual?

Not that I know of. A comment in `Results Types' in ob-doc-R -

http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-R.html#orgheadline6

- might be helpful.

Chuck