* Statistics in Org-Tables
@ 2013-02-20 16:47 Rodolfo Aramayo
2013-02-20 18:04 ` JBash
2013-02-20 18:27 ` Nick Dokos
0 siblings, 2 replies; 4+ messages in thread
From: Rodolfo Aramayo @ 2013-02-20 16:47 UTC (permalink / raw)
To: emacs-orgmode
Simple question: What is the best way to configure/find out how to
calculate Median, Standard Deviation in an org-table?
Thanks
--Rodolfo
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Statistics in Org-Tables
2013-02-20 16:47 Statistics in Org-Tables Rodolfo Aramayo
@ 2013-02-20 18:04 ` JBash
2013-02-20 18:13 ` Rodolfo Aramayo
2013-02-20 18:27 ` Nick Dokos
1 sibling, 1 reply; 4+ messages in thread
From: JBash @ 2013-02-20 18:04 UTC (permalink / raw)
To: Rodolfo Aramayo; +Cc: emacs-orgmode Mode
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Rodolfo,
I think this is what you're looking for.
http://orgmode.org/worg/org-tutorials/org-spreadsheet-intro.html
Hope this helps.
Jerry
On Wed, Feb 20, 2013 at 11:47 AM, Rodolfo Aramayo <raramayo@gmail.com>wrote:
> Simple question: What is the best way to configure/find out how to
> calculate Median, Standard Deviation in an org-table?
> Thanks
> --Rodolfo
>
>
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Statistics in Org-Tables
2013-02-20 18:04 ` JBash
@ 2013-02-20 18:13 ` Rodolfo Aramayo
0 siblings, 0 replies; 4+ messages in thread
From: Rodolfo Aramayo @ 2013-02-20 18:13 UTC (permalink / raw)
To: JBash; +Cc: emacs-orgmode Mode
Thanks Jerry, but actually I was looking for where to find definitions of:
Median
Standard Deviation, etc
If I say:
@11$13=Median@3..@10
Org-mode prints into the corresponding cell:
Median [41, 103.5, 75.5, 101, 87.5, 111.5, 116.5, 89.5]
Which is not what I want. I want the actual Median...
Thanks
--Rodolfo
On Wed, Feb 20, 2013 at 12:04 PM, JBash <bashveank@gmail.com> wrote:
> Rodolfo,
>
> I think this is what you're looking for.
>
> http://orgmode.org/worg/org-tutorials/org-spreadsheet-intro.html
>
> Hope this helps.
>
> Jerry
>
>
> On Wed, Feb 20, 2013 at 11:47 AM, Rodolfo Aramayo <raramayo@gmail.com>
> wrote:
>>
>> Simple question: What is the best way to configure/find out how to
>> calculate Median, Standard Deviation in an org-table?
>> Thanks
>> --Rodolfo
>>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Statistics in Org-Tables
2013-02-20 16:47 Statistics in Org-Tables Rodolfo Aramayo
2013-02-20 18:04 ` JBash
@ 2013-02-20 18:27 ` Nick Dokos
1 sibling, 0 replies; 4+ messages in thread
From: Nick Dokos @ 2013-02-20 18:27 UTC (permalink / raw)
To: Rodolfo Aramayo; +Cc: emacs-orgmode
Rodolfo Aramayo <raramayo@gmail.com> wrote:
> Simple question: What is the best way to configure/find out how to
> calculate Median, Standard Deviation in an org-table?
There are calc functions to compute these things, but the layout of your
table will of course influence the formulas. Here's a simple example
that calculates the statistics for the second column - it uses the
@I..@II range reference notation to get the numbers between the first
and second separators and the @> (@>>, @>>>, etc.) notation to refer to
the last (last minus one, last minus two, etc.) row:
--8<---------------cut here---------------start------------->8---
* mean, median, stdev
| i | x |
|--------+-----------|
| 1 | 3 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 3 |
| 7 | 4 |
| 8 | 1 |
| 9 | 1 |
|--------+-----------|
| mean | 1.8888889 |
| median | 1 |
| sdev | 1.1666667 |
| sum | 17 |
#+TBLFM: @>$2=vsum(@I..@II) :: @>>>>$2=vmean(@I..@II) :: @>>>$2=vmedian(@I..@II) :: @>>$2=vsdev(@I..@II)
--8<---------------cut here---------------end--------------->8---
More details about such references are in the Org manual:
(info "(org) References")
More details about the calc functions are in the Calc manual:
(info "(calc) Single-variable statistics")
Nick
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2013-02-20 16:47 Statistics in Org-Tables Rodolfo Aramayo
2013-02-20 18:04 ` JBash
2013-02-20 18:13 ` Rodolfo Aramayo
2013-02-20 18:27 ` Nick Dokos
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