I would be very interested to know how you produced this output. Could you 
provide some pointers?

On 5/30/05, Kevin Brown <kevin_brown@qwest.net> wrote:
> 
> >> OK... I would like to thank http://chicagocrime.org for the basis
> >> of this data overlay...
> >
> > Wow. Stay away from the water...
> >
> >> http://www.public.asu.edu/~hellgate/plug/maps.html
> >>
> >> The data points just point at the cross streets and aren't linked
> >> to any other data at all. Feel free to continue submitting cross
> >> streets and zipcodes and I'll update the map (Yes both pieces of
> >> information are helpful as is St vs Ave for numbered cross
> >> streets).
> >
> > Warning, warning, feature request lies ahead! :)
> >
> > Can you add the current meeting locations in a different color?
> >
> > Thanks for having done this for us again!
> 
> Map updated. Contains two new items.
> 
> The first is the requested meeting locations having been added to the
> map. They are the red bubbles.
> 
> The second is two new statistical points (yellow bubbles). The one that
> has always been there is the Mean average for the data to date (not
> counting meeting locations). The other two are the 1-Elliptical Mean
> Std. Dev. locations. These give the two focus points for the group with
> the data collected to date that would draw an ellipse around the data.
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-- 
Donn
"Sarcasm is the safe alternative to expressing anger."
--Richard North Patterson