Ambulance Calls

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10-13-2013 12:49 PM
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New Contributor
Hello!

I am a neophyte to GIS.  I have historical data for all of my ambulance calls for the past year with attributes including day of week and time of day.  Using Arc Desktop Explorer I was able to import the x- and y-coodinates to display the point data for say the 6pm hour on a Thursday.  I am now using ArcMap and would like to now be able to display the data as what I refer to as "hotspots" or density mapping.  I'm not sure if that is the correct terminology.  What I mean by that is an area would display darker in color in areas where the number of ambulance calls are greater in number.  I'd also like to be able to select different hours in my query and have the hotspot map update as the query changes.  I'm sure this is possible, I'm looking for someone to please point me in the right direction.  Thank you for your time and anticipated assistance.  Thank you!

Anthony Cascio
Director
Mobile Health Service
Robert Wood Johnson University Hospital
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Esri Esteemed Contributor
Hello!

I am a neophyte to GIS.  I have historical data for all of my ambulance calls for the past year with attributes including day of week and time of day.  Using Arc Desktop Explorer I was able to import the x- and y-coodinates to display the point data for say the 6pm hour on a Thursday.  I am now using ArcMap and would like to now be able to display the data as what I refer to as "hotspots" or density mapping.  I'm not sure if that is the correct terminology.  What I mean by that is an area would display darker in color in areas where the number of ambulance calls are greater in number.  I'd also like to be able to select different hours in my query and have the hotspot map update as the query changes.  I'm sure this is possible, I'm looking for someone to please point me in the right direction.  Thank you for your time and anticipated assistance.  Thank you!

Anthony Cascio
Director
Mobile Health Service
Robert Wood Johnson University Hospital


Hi Anthony,

I saw this thread on the forum today (http://forums.arcgis.com/threads/91996-Hot-Spot-Analysis-ِAccidents-Analysis) where Larry Gaudieri refers to a tutorial "specifically targeting emergency or response data".

It links to this location: http://www.arcgis.com/home/item.html?id=6626d5cc81a745f1b737028f7a519521 and consists of PDF document and a map package with the data. Please look at that tutorial and things will become much clearer.

The content was placed online by Lauren Rosenhein. She is a Geoprocessing Product Engineer at Esri and very passionate about spatial analysis. I had the chance to talk to her at the DevSummit in March this year and she told me that there is a huge difference between performing an (optimal) hot spot spatial statistics analysis or visualizing your data as hot spots. Please bear that in mind.

On the other side there is the visualization of hot spots. A very nice example of this is shown in a video where Mansour Raad demonstrates the ArcGIS tools for analyzing and querying big data and billions of records:
http://video.esri.com/watch/2191/big-data-in-arcgis

If you have an ArcGIS Online prescription you can make use of Maps for Office and make hot spot visualizations of your data in Excel. Read more about this here: http://doc.arcgis.com/en/maps-for-office/help/find-hot-spot.htm

And of course there is the possibility to program something yourself using one of the Runtime SDK's Esri provides or use the REST interface: https://developers.arcgis.com/en/rest/analysis/api-reference/find-hot-spots.htm


I hope this gets you started.

Kind regards,

Xander
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