From: Thierry Banel <tbanelwebmin@free.fr>
To: emacs-orgmode@gnu.org
Subject: Re: aggregate: percent, table headers, float format
Date: Thu, 28 Jun 2018 19:36:54 +0200 [thread overview]
Message-ID: <32245322-e7b3-b3fb-bcca-107aa620197e@free.fr> (raw)
In-Reply-To: <874lhn9inv.fsf@mat.ucm.es>
On 28/06/2018 14:53, Uwe Brauer wrote:
> Hi
>
> Org-aggregate is great and very helpful.
>
> However I have some problems/questions which I think a maybe interesting
> for the list.
>
> Take the following code
>
>
> #+begin_src emacs-lisp
> (setq org-calc-default-modes '(calc-internal-prec 12 calc-float-format
> (fix 3) ;;; the default here was (float 8)
> calc-angle-mode deg calc-prefer-frac nil calc-symbolic-mode nil calc-date-format
> (YYYY "-" MM "-" DD " " Www
> (" " hh ":" mm))
> calc-display-working-message t))
>
> #+end_src
>
> Which sets the float format to (fix 3) is taken into account by the
> org-table but ignored by org aggregate as the example below shows.
Iwill look into that.
In the meantime you can use a format specification ;f3which means "fix 3
decimal positions".
#+BEGIN: aggregate :table "raw-data" :cols "CalJunio count()
(count()/19)*100;f3"
| CalJunio | count() | (count()/19)*100;f3 |
|----------+---------+---------------------|
| AP | 7 | 36.842 |
| NT | 1 | 5.263 |
| SS | 5 | 26.316 |
| NP | 6 | 31.579 |
#+END:
>
> #+TBLNAME: raw-data
> | Number | CalJunio |
> |--------+----------|
> | 1 | AP |
> | 2 | NT |
> | 3 | SS |
> | 4 | SS |
> | 5 | SS |
> | 6 | AP |
> | 7 | SS |
> | 8 | NP |
> | 9 | AP |
> | 10 | NP |
> | 11 | NP |
> | 12 | AP |
> | 13 | NP |
> | 14 | AP |
> | 15 | NP |
> | 16 | AP |
> | 17 | SS |
> | 18 | NP |
> | 19 | AP |
> #+TBLFM: $1=@#-1
>
>
> I want that org aggregate counts the entries in the second column of the
> tale raw-data, which it does (thanks to Thierry), but I also would like
> to have, automatically, to calculate its percentage. And that it seems I
> can only do manually as the below example shows.
>
> #+BEGIN: aggregate :table "raw-data" :cols "CalJunio count() (count()/19)*100"
> | CalJunio | count() | (count()/19)*100 |
> |----------+---------+------------------|
> | AP | 7 | 36.8421052632 |
> | NT | 1 | 5.26315789474 |
> | SS | 5 | 26.3157894737 |
> | NP | 6 | 31.5789473684 |
> #+END:
In this example the hardcoded 19 value is annoying. It is the total
count() of rows in raw-data table. It should be computed automatically
by some other mean. One way is to use another named aggregation:
#+name: total-count
#+BEGIN: aggregate :table "raw-data" :cols "count()"
| count() |
|---------|
| 19 |
#+END:
Then the cell containing 19 can be accessed using a "remote" formula:
remote(total-count,@2$1)
#+BEGIN: aggregate :table "raw-data" :cols "CalJunio count()"
| CalJunio | count() | |
|----------+---------+--------|
| AP | 7 | 36.842 |
| NT | 1 | 5.263 |
| SS | 5 | 26.316 |
| NP | 6 | 31.579 |
#+TBLFM: $3=$2*100/remote(total-count,@2$1);f3
#+END:
Here a regular spreadsheet expression was used, instead of an aggregate
formula. Orgaggregate takes care of the table formulas between
re-computing. So you can refresh the aggregated table as often as needed.
>
> Is there a more elegant solution and how can I change the float format?
>
> By the way is there a way to customize the header of the above table,
> something like
>
>
> #+BEGIN: aggregate :table "raw-data" :cols "CalJunio count() (count()/19)*100"
> | CalJunio | count | percent |
> |----------+-------+---------------|
> | AP | 7 | 36.8421052632 |
> | NT | 1 | 5.26315789474 |
> | SS | 5 | 26.3157894737 |
> | NP | 6 | 31.5789473684 |
> #+END:
>
The header can be set with this cell formula: @1$3=percent
#+BEGIN: aggregate :table "raw-data" :cols "CalJunio count()"
| CalJunio | count() | percent |
|----------+---------+---------|
| AP | 7 | 36.842 |
| NT | 1 | 5.263 |
| SS | 5 | 26.316 |
| NP | 6 | 31.579 |
#+TBLFM: $3=$2*100/remote(total-count,@2$1);f3::@1$3=percent
#+END:
Again, the #+TBLFM specification survives refreshes (performed with C-c
C-c on the #+BEGIN: line). Everything else is recomputed.
> thanks
>
> Uwe Brauer
>
>
>
Regards
Thierry
next prev parent reply other threads:[~2018-06-28 17:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-28 12:53 aggregate: percent, table headers, float format Uwe Brauer
2018-06-28 17:36 ` Thierry Banel [this message]
2018-06-30 8:29 ` Uwe Brauer
2018-07-31 22:33 ` Thierry Banel
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