* syntax for remote table/cell references
@ 2015-11-30 16:36 Matt Price
2015-11-30 19:45 ` Thierry Banel
0 siblings, 1 reply; 2+ messages in thread
From: Matt Price @ 2015-11-30 16:36 UTC (permalink / raw)
To: Org Mode
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Hello everyone,
I'm trying to simulate a simple "COUNT" spreadsheet function with the
following two tables:
#+TBLNAME: grades
| Student | Precis | POV PAPER |
|-----------------------+---------+-----------|
| | A- | A- |
| | A | A-/B+ |
| | A- | A |
| | B | B+ |
| | A- | B+ |
| | A | A |
| | A | A- |
| | A- | B+ |
| | A- | A- |
| | A | A |
| | A | A |
| | B+? A-? | A- |
| | A- | B+ |
| | B | B+ |
| | B+ | A- |
| | A- | A- |
| | A | B+ |
| | B+ | B |
| | B+ | B+ |
| | B+ | B |
| | A | A- |
| Grade | Count in Precis | Percent |
|-------+--------+---------|
| A+ | #ERROR | |
| A | #ERROR | |
| A- | #ERROR | |
| B+ | #ERROR | |
| B | #ERROR | |
| B- | #ERROR | |
| C+ | #ERROR | |
| C | #ERROR | |
| C- | #ERROR | |
| F | #ERROR | |
#+TBLFM: $2='(length (org-lookup-all $1 '(remote(grades,$2))));E
Sorry for the ugly formatting.
I want to just count the number of As, A-'s, etc, so I can see how badly
I've messed up my distribution, and how much regrading I need to do. I
don't understand the syntax for referencing cell ranges in org-lookup-all,
nor do I quite get how "remote" works (doesn't seem to be a normal
function?). Am trying to follow worg tutorials but not having much luck.
Thanks,
Matt
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: syntax for remote table/cell references
2015-11-30 16:36 syntax for remote table/cell references Matt Price
@ 2015-11-30 19:45 ` Thierry Banel
0 siblings, 0 replies; 2+ messages in thread
From: Thierry Banel @ 2015-11-30 19:45 UTC (permalink / raw)
To: emacs-orgmode
You may want to give the orgtbl-aggregate package a try.
(Available on http://melpa.org,
documentation here: https://github.com/tbanel/orgaggregate)
It creates the following table:
#+BEGIN: aggregate :table "grades" :cols "Precis count()"
| Precis | count() |
|---------+---------|
| A- | 7 |
| A | 7 |
| B | 2 |
| B+? A-? | 1 |
| B+ | 4 |
#+END:
Read it as:
- the "aggregate" function
- uses the "grades" table,
- groups rows with the same "Precis" value
- and "counts()" rows in each group.
There is a wizard to create it:
- M-x org-insert-dblock:aggregate
- C-c C-x i aggregate
You may add an ASCII-art plot by hitting:
C-c " a
#+BEGIN: aggregate :table "grades" :cols "Precis count()"
| Precis | count() | |
|---------+---------+---------|
| A- | 7 | WWWWWWW |
| A | 7 | WWWWWWW |
| B | 2 | WW |
| B+? A-? | 1 | W |
| B+ | 4 | WWWW |
#+TBLFM: $3='(orgtbl-ascii-draw $2 0 7 7)
#+END:
Have fun
Thierry
Le 30/11/2015 17:36, Matt Price a écrit :
> Hello everyone,
>
> I'm trying to simulate a simple "COUNT" spreadsheet function with the
> following two tables:
>
> #+TBLNAME: grades
> | Student | Precis | POV PAPER |
> |-----------------------+---------+-----------|
> | | A- | A- |
> | | A | A-/B+ |
> | | A- | A |
> | | B | B+ |
> | | A- | B+ |
> | | A | A |
> | | A | A- |
> | | A- | B+ |
> | | A- | A- |
> | | A | A |
> | | A | A |
> | | B+? A-? | A- |
> | | A- | B+ |
> | | B | B+ |
> | | B+ | A- |
> | | A- | A- |
> | | A | B+ |
> | | B+ | B |
> | | B+ | B+ |
> | | B+ | B |
> | | A | A- |
>
>
> | Grade | Count in Precis | Percent |
> |-------+--------+---------|
> | A+ | #ERROR | |
> | A | #ERROR | |
> | A- | #ERROR | |
> | B+ | #ERROR | |
> | B | #ERROR | |
> | B- | #ERROR | |
> | C+ | #ERROR | |
> | C | #ERROR | |
> | C- | #ERROR | |
> | F | #ERROR | |
> #+TBLFM: $2='(length (org-lookup-all $1 '(remote(grades,$2))));E
>
> Sorry for the ugly formatting.
> I want to just count the number of As, A-'s, etc, so I can see how
> badly I've messed up my distribution, and how much regrading I need to
> do. I don't understand the syntax for referencing cell ranges in
> org-lookup-all, nor do I quite get how "remote" works (doesn't seem to
> be a normal function?). Am trying to follow worg tutorials but not
> having much luck.
>
> Thanks,
> Matt
>
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