Re: Re: colview min/mean/max

From: Carsten Dominik <carsten.dominik@gmail.com>
To: Mikael Fornius <mfo@abc.se>
Cc: emacs-orgmode@gnu.org
Subject: Re: Re: colview min/mean/max
Date: Thu, 21 May 2009 08:01:19 +0200	[thread overview]
Message-ID: <8C863AC3-D6AB-4F2A-B52E-DF536F400F19@gmail.com> (raw)
In-Reply-To: <87fxeziefz.fsf@abc.se>

Hi Mikael,

I have applied this patch, thank you for your contribution!

- Carsten

On May 21, 2009, at 12:42 AM, Mikael Fornius wrote:

>
> This is my suggestion of an implementation of min/mean/max computation
> in columnview summaries. If you like it feel free to use it.
>
> New operators: {min}, {max} and {mean} possibly prefixed with : for  
> use
> with timevalues.
>
> Example from my running exercise diary:
>
> #+COLUMNS: %DISTANCE{+;%.1f} %HEARTRATE{mean;%.1f} %SPEED{:min}  
> %CALORIES{+}
>
> Gives a colview with summaries:
>
> total distance, mean heartrate, fastest speed (min/km) and total
> calories.
>
> I have tested it on emacs-23 and it works well for me now, also with  
> the
> interactive colview functions.
>
> But you never know really. ;-) Anyway, there should not be any  
> emacs-23
> specific elisp code added afik.
>
> (Because I do not use xemacs I have not tested it with xemacs but the
> small changes I made should be compitable to both xemacs and emacs. I
> would appreciate if someone on this list who uses xemacs will give  
> it a
> try for me. Thanks!)
>
> (This fix also opens up for using user defined lisp functions to
> calculate colview summaries, but I am not sure if that is something
> useful. Like this:
>
> (defun std (&rest values)
>  "Compute standard deviation."
>  ...)
>
> #+COLUMNS: %DATA{eval:std}
>
> If someone finds this attractive it would now be easy to implement  
> as well.)
>
> doc/org.texi               |    6 +++
> lisp/org-colview-xemacs.el |   87 ++++++++++++++++++++++++ 
> +-------------------
> lisp/org-colview.el        |   87 ++++++++++++++++++++++++ 
> +-------------------
> 3 files changed, 104 insertions(+), 76 deletions(-)
>
> I have attached four small patches, one for each file changed and the
> last one for all changes.
>
> <colview.patch><colview-xemacs.patch><org-texi.patch><colview- 
> full.patch>
> I hope this will be useful.
>
>
> Org-mode is a great mode!
>
> --
> Mikael Fornius
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