From mboxrd@z Thu Jan  1 00:00:00 1970
From: Charles Berry <ccberry@ucsd.edu>
Subject: Re: cannot execute org-mode code from the front page tutorial.
Date: Sat, 16 Aug 2014 16:49:04 +0000 (UTC)
Message-ID: <loom.20140816T180546-339@post.gmane.org>
References: <8738cxvhe0.fsf@gmail.com> <m27g294rcd.fsf@tsdye.com>
	<87wqa9zjdl.fsf@alphaville.bos.redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:46725)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <geo-emacs-orgmode@m.gmane.org>) id 1XIhAb-0000H9-C6
	for emacs-orgmode@gnu.org; Sat, 16 Aug 2014 12:49:39 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <geo-emacs-orgmode@m.gmane.org>) id 1XIhAV-0007Ah-4S
	for emacs-orgmode@gnu.org; Sat, 16 Aug 2014 12:49:33 -0400
Received: from plane.gmane.org ([80.91.229.3]:42524)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <geo-emacs-orgmode@m.gmane.org>) id 1XIhAU-0007AW-Tt
	for emacs-orgmode@gnu.org; Sat, 16 Aug 2014 12:49:27 -0400
Received: from list by plane.gmane.org with local (Exim 4.69)
	(envelope-from <geo-emacs-orgmode@m.gmane.org>) id 1XIhAP-0003qg-6u
	for emacs-orgmode@gnu.org; Sat, 16 Aug 2014 18:49:21 +0200
Received: from 172-7-166-26.lightspeed.sndgca.sbcglobal.net ([172.7.166.26])
	by main.gmane.org with esmtp (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <emacs-orgmode@gnu.org>; Sat, 16 Aug 2014 18:49:21 +0200
Received: from ccberry by 172-7-166-26.lightspeed.sndgca.sbcglobal.net with
	local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00
	for <emacs-orgmode@gnu.org>; Sat, 16 Aug 2014 18:49:21 +0200
List-Id: "General discussions about Org-mode." <emacs-orgmode.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-orgmode>
List-Post: <mailto:emacs-orgmode@gnu.org>
List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=subscribe>
Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
To: emacs-orgmode@gnu.org

Nick Dokos <ndokos <at> gmail.com> writes:

> 
> tsd <at> tsdye.com (Thomas S. Dye) writes:
> 
> > Aloha Jenia,
> >
> > jenia.ivlev <at> gmail.com (jenia.ivlev) writes:
> >
> >> Hello.
> >>
> >> I'm trying to go through the org-mode tutorial on its official page.
> >>

[discussion showing that (if (listp value)...) generates a data.frame 
deleted]

[delete patch turning a data.frame into a vector]

> And assuming this is correct, the worg page will need to be corrected
> too.
>

No patch is needed.

The point of the code in  org-babel-R-assign-elisp is to create a data.frame
when `value' is a list.

The patch adding `unlist(res)' turns it into an ordinary vector.

This will break almost all uses of :var in R scr blocks.

I don't think this example could have worked for a long while - turning
elisp lists into R data.frames has been a feature for a good while. 
Also, note the use of `sbe' vs `org-sbe' in the formula.

#+TBLFM: @2$1='(sbe "R-mean" (x "tbl-example-data()"))


Use `colMeans(x)' to fix the worg page.

HTH,

Chuck