From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Schulte <eric.schulte@gmx.com>
Subject: Re: [0][babel][R] Undesired conversion of integers to floats in R
 code block output
Date: Sun, 19 Feb 2012 13:46:15 -0700
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To: Daniel Drake <silophophe@gmail.com>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>, Eric Schulte <eric.schulte@gmx.com>

>
> A further followup, at the risk of descending into minutia.  The
> culprit seems to be the emacs function string-to-number.
>
> On my 32-bit Arch machine:
> (string-to-number "123456789"): 123456789 (#o726746425, #x75bcd15)
> (string-to-number "987654321"): 987654321.0
> GNU Emacs 23.4.1 (i686-pc-linux-gnu, GTK+ Version 2.24.9) of
> 2012-02-01 on shirley.hoetzel.info
>
> On a 64-bit Ubuntu (11.10) machine:
> (string-to-number "123456789"): 123456789 (#o726746425, #x75bcd15)
> (string-to-number "987654321"): 987654321 (#o7267464261, #x3ade68b1)
> GNU Emacs 23.3.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.5) of
> 2011-08-14 on allspice, modified by Debian
>

Ah, nice debugging!

That must be the issue, as I'm working on a 64-bit machine.

Maybe one workaround could be to prefix the numbers with a letter in
R-land so that emacs interprets them as strings.

Cheers,

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/