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| GeoCommunity Mailing List |
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| Subject: | [gislist] crime data mapping |
| Date: |
03/21/2005 10:40:01 AM |
| From: |
Mike Bickley |
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I have a dataset of reported crimes in one town over the past few years. I
have a single table (added to the project) which includes the type of crime,
with a code using 6 or 8 standard police codes for certain crimes, and the
physical address. The physical address is linked to a tax parcel polygon
shapefile (all AV8.x) .
For any single phys. address there may be multiple entries in the incident
table especially if multiple crimes were filed in a single incident.
I am trying to 'pin-flag' the crime types at each affected address.
First I will create a point file for the centroids of each tax parcel - then
I need to assign a proportional symbol at those affected addresses,
symbolized by the type of crime and proportional to the number of times that
type of crime was reported at that address.
It seems like I should be summarizing crime types by address and plotting
those results, but the next step here is beating me.. Any offers??
Thanks
mike
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