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From: Michael Brand <michael.ch.brand@gmail.com>
To: Thierry Banel <tbanelwebmin@free.fr>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: table formula help...
Date: Sat, 13 Dec 2014 19:27:19 +0100	[thread overview]
Message-ID: <CALn3zoieBDL5-taiWr_TR4t47bYyFtTyr3+mzoAzRw_TDT_QKA@mail.gmail.com> (raw)
In-Reply-To: <548B585F.6000404@free.fr>

Hi Thierry

On Fri, Dec 12, 2014 at 10:04 PM, Thierry Banel <tbanelwebmin@free.fr> wrote:
> Le 12/12/2014 18:15, Michael Brand a écrit :
> Seems doable.
> Would tie the spreadsheet and orgaggregate seamlessly.
> Very appealing!
>
> Are you willing to help me implement those steps?

Where necessary I try to help.

I would break it down to these commits and take a larger break
after 3):

1) Prepare for Calc syntax: Adapt the "(case fun [...]" of
   orgtbl-aggregate-apply-calc-*-function to move from :cols "sum(x)"
   etc. to :cols "vsum(x)" etc.

   #+BEGIN: aggregate :table test :cols ("Item" "vsum(x)")
   | Item | vsum(x) |
   |------+---------|

2) Add a separate target column header: The "=" is only a suggestion
   how to separate the target column header from the formula.

   #+BEGIN: aggregate :table test :cols ("Item" "Header = vsum(x)")
   | Item | Header |
   |------+--------|

3) Unleash complete Calc syntax: Make use of (org-table-make-reference
   with KEEP-EMPTY and NUMBERS constantly nil and use calc-eval

   #+BEGIN: aggregate :table test :cols ("Item" "Header = 2 * vsum(x)
+ 3 * vmean(y)")
   | Item | Header |
   |------+--------|

4) Add the mode strings "E" and "N": Parse and pass them to KEEP-EMPTY
   and NUMBERS of org-table-make-reference.

   #+BEGIN: aggregate :table test :cols ("Item" "Header = 2 * vsum(x)
+ 3 * vmean(y); EN")
   | Item | Header |
   |------+--------|

5) Someday add more mode strings.

Michael

  reply	other threads:[~2014-12-13 18:27 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-06  5:42 table formula help Eric Abrahamsen
2014-12-06  7:37 ` Thomas S. Dye
2014-12-06  8:05 ` Michael Brand
2014-12-06  8:32   ` Eric Abrahamsen
2014-12-06 22:49   ` Thierry Banel
2014-12-07  2:05     ` Eric Abrahamsen
2014-12-07  3:25     ` Eric Abrahamsen
2014-12-07  9:20       ` Thierry Banel
2014-12-07  9:40         ` Michael Brand
2014-12-07 10:02           ` Thierry Banel
2014-12-07 10:26             ` Michael Brand
2014-12-07 14:51               ` Thierry Banel
2014-12-07 16:13               ` Thierry Banel
2014-12-07 16:48                 ` Michael Brand
2014-12-08 21:12                   ` Thierry Banel
2014-12-08 22:32                     ` Thierry Banel
2014-12-10 21:08                       ` Michael Brand
2014-12-08  3:52             ` Eric Abrahamsen
2014-12-07  9:39       ` Michael Brand
2014-12-07  9:55         ` Thierry Banel
2014-12-07 21:57         ` Thierry Banel
2014-12-08 18:02           ` Michael Brand
2014-12-08 21:57             ` Thierry Banel
2014-12-09  5:54               ` Michael Brand
2014-12-09 18:12                 ` Thierry Banel
2014-12-09 19:01             ` Thierry Banel
2014-12-09 22:35               ` Thierry Banel
2014-12-10 21:06                 ` Michael Brand
2014-12-10 22:55                   ` Thierry Banel
2014-12-12 17:15                     ` Michael Brand
2014-12-12 21:04                       ` Thierry Banel
2014-12-13 18:27                         ` Michael Brand [this message]
2015-01-25 22:21       ` Thierry Banel
2015-01-26  2:48         ` Eric Abrahamsen

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