Re: Group center

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Author: Kevin Brown
Date:  
To: plug-discuss
Subject: Re: Group center
> Thanks for doing this, Kevin.
>
> Please add me at 56th St. and Thunderbird, 85032. That's halfway
> between my home and my workplace, and I'd be going to meetings straight
> from work in most cases.
>
> The three proposed locations around the Tempe area are reachable for me. 
>    I could get to the Metrocenter area but not much west of there. 
> Sequoia and GCC are both off my map.

>
> If you stand back and consider what all this means, I think it's pretty
> clear that the South Tempe and Metrocenter areas are the biggest
> concentrations. Most of us are within fairly easy reach of freeways,
> which are a major factor. And work locations should be reported too,
> for those who hit meetings on the way home from work.


If I were to collect both home and work addresses, then I would have to
setup two different maps. One that covered the normal work hours
(typically 7am - 6pm window) and a second that covered the rest of the
day and weekends. This is because PLUG has activities that aren't
during the weekday evenings and so work data would alter the centers of
the data and wouldn't be valid for the weekends or nights (for most people).

What is interesting, given the data collected to date, is that the East
side meeting location is actually fairly close to the locus for that
side of the valley.

anyways... guess it's gotten enough data that it is time to write an
updater script that will handle things like finding the mean, variance,
elliptical mean, etc...
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