From: "Eric Schulte" <schulte.eric@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: graphing from org-tables
Date: Thu, 22 Jan 2009 17:37:19 -0800 [thread overview]
Message-ID: <87y6x2ssz4.fsf@gmail.com> (raw)
In-Reply-To: <20090122162711.GA11250@stats.ox.ac.uk> (Dan Davison's message of "Thu, 22 Jan 2009 11:27:11 -0500")
Dan Davison <davison@stats.ox.ac.uk> writes:
> On Mon, Dec 22, 2008 at 12:00:14PM -0500, Eric Schulte wrote:
>> Hi Dan,
>>
>
> <...>
>
>> 2) Also interesting is the idea of referencing a table from a block of R
>> code elsewhere in the org file. I've worked some on processing
>> blocks of R code in org files in a manner similar to Sweave.
>> http://github.com/eschulte/org-contrib/tree/master/org-exp-blocks.el
>> If we could implement a simple means of referencing tables (either
>> whole tables, or cells/cols/rows of tables) from these R-code blocks
>> then that seems like it may be fairly powerful.
>
> I agree with this. So in the case of my code, I think we would like to
> be able to do something like
>
> #+TBLR: data:<org-table-reference> columns:(1 2) action:tabulate
>
> This would make the output of the analysis/plot of the table pointed
> to by <org-table-reference> appear at the location in the file of the
> #+TBLR line. Perhaps one design aim would be to have the same
> mechanism work for referencing tables for processing by #TBLFM,
> org-plot, org-table-R, org-exp-blocks, etc.
That sounds like a very good idea. A uniform interface for referencing
table ranges (either globally from outside of the table or locally from
within the table) that could be used for any table formula be it in
calc, R, elisp, etc... I find the idea of easily accessing and writing
table data from external tools very intriguing
> What ideas to people have about implementation (and syntax) for this
> sort of table referencing?
As for syntax, I believe the syntax currently in use by TBLFM should be
sufficient for addressing ranges inside of a table. The only need is
the ability to reference a table globally.
Maybe it would make sense to allow the naming of a table, say something
like a line of the following format either above or below the table.
#+TBLNAME: my-table-name
Then portions of the table could be references from inside the same file
using a syntax like
my-table-name:$1@2
or from outside of the file using a syntax like
path/to/file.org:my-table-name:$1@2
or something similar.
I don't know how difficult this would be to implement. I also don't
know how similar the existing calc table interface is to this new R
table interface. So basically it's not clear to me how difficult this
would be to implement. When I have briefly looked into the mechanics of
the current org spreadsheet functionality, I remember being intimidated.
Although I don't really use R, I find this discussion very interesting.
The spreadsheet functions are one of my favorite features of org.
Thanks -- Eric
next prev parent reply other threads:[~2009-01-23 1:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-25 15:53 graphing from org-tables Eric Schulte
2008-07-25 16:23 ` Carsten Dominik
2008-07-25 16:25 ` James TD Smith
2008-07-25 16:33 ` Carsten Dominik
2008-07-25 17:14 ` Eric Schulte
2008-07-25 19:07 ` Eric Schulte
2008-07-26 18:15 ` Dan Davison
2008-07-28 15:32 ` Eric Schulte
2008-07-28 15:41 ` Dan Davison
2008-12-21 20:31 ` Dan Davison
2008-12-22 17:00 ` Eric Schulte
2009-01-22 16:27 ` Dan Davison
2009-01-23 1:37 ` Eric Schulte [this message]
2009-01-23 7:30 ` Carsten Dominik
2009-01-26 8:53 ` Carsten Dominik
2009-01-28 3:06 ` Dan Davison
2009-01-28 10:18 ` Carsten Dominik
[not found] ` <C8C13077-8B16-4E8C-8425-5782CE1EDC98@uva.nl>
[not found] ` <488b7c9b.14be600a.11cc.ffff9150@mx.google.com>
[not found] ` <9629760B-7606-42FD-B625-FAC44490221C@uva.nl>
2008-07-28 14:26 ` Eric Schulte
2008-07-28 21:00 ` Carsten Dominik
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