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Re: [O] calculating column averages
From: |
Rasmus |
Subject: |
Re: [O] calculating column averages |
Date: |
Fri, 22 Jul 2011 11:24:57 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Jude DaShiell <address@hidden> writes:
> In this case I don't want to tell org-mode how many rows to calculate, and
> I put a table together with an averages line in its own footer section. I
> prefer when doing these things to output final averages and totals just
> under table headers then go down into detail records after that. Could
> someone take a look at the following table and tell me how to get an
> average on column 2 of this table?
I am not sure I quite follow but this might be what you're after:
| Date Stamp | Systalic | Diastalic | Pulse |
|------------------------+----------+-----------+-------|
| [2011-07-19 Tue 02:26] | 138 | 92 | 74 |
| [2011-07-21 Thu 03:50] | 128 | 79 | 76 |
| [2011-07-20 Wed 04:03] | 130 | 85 | 74 |
| [2011-07-22 Fri 02:33] | 121 | 80 | 79 |
| | | | |
|------------------------+----------+-----------+-------|
| Averages | 129.25 | | |
#+TBLFM: @7$2=vmean(@address@hidden)
The field @7$2 calculates the average (vmean) from line 2 (@2) to the
line just above itself (@-1).
–Rasmus
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