Crime Visualization

  • April 23, 2014 · 6:00 PM
  • Critical Mass

The City of Chicago's crime dataset provide a robust, up-to-date information on crimes reported in the city. The original data is hosted on the City of Chicago's open data portal and is often used as an example for visualization, data munging, and analysis.

We look forward to host three talented programmers who created different interactive visualizations based on the same data:

• Heather Billings (Chicago Tribune) - Crime in Chicagoland

• Derek Eder (DataMade) - Crime in Chicago

• Erik Van Zanten (DataMade) - crimearound.us

This meetup will host them to discuss their visualization and creative process.

Show & Tell

To continue the spirit of the last meetup, presenters are invited to give a 5-minute show & tell of their recent visualization work. It is a superb opportunity to show your work, get new ideas, and to display your talent. If you'd like to give a brief presentation, please email [masked] with the necessary links, slides, or other materials.


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  • Nikkicash

    Hi was this event recorded? If so can we watch it anywhere? Thanks

    April 24, 2014

  • Adam H.

    Great night last night, folks. I learned a great deal about different ways of looking at the same data. Plus, I discovered that after 26 years, I do not live in the same "neighborhood" that I thought!

    April 24, 2014

  • Butterfly H.

    The presentations were engaging, thought processes valuable. the presenters sharing of dialogue between their team and perspective audience makes a great reference. I appreciated the flexibility one of the presenters provided post production: configuring data for the static audience as well as dynamic. And learning vast ranges of consumers of this particular data. Thank you for coordinating such an informative event.

    April 24, 2014

  • Justin S.

    Hey everyone - please make sure to RSVP with your full name so we can get you in the building!

    March 27, 2014

    • Justin S.

      Meeting number is[masked]

      April 23, 2014

    • Justin S.

      Should be able to connect to it directly if you go through this link: https://www.fuzemeetin...­

      April 23, 2014

  • Audrey H.

    Work deadlines and a full calendar tomorrow so I must bow out.

    April 23, 2014

  • David E.

    So sad I can't make it, I'll be recording a podcast about crime data instead. Enjoy, y'all. Just don't forget: Crime incident reports are a reflection of police policy and enforcement, not the actual amount of crime that happens out in the world. That would be crime victimization, and you can't get that data from the police dept.

    2 · April 22, 2014

    • Gene L.

      I like your reminder about the limitations of the data! I remember reading that less than half of crimes that happen are reported, less than half of those result in an arrest, and very few of those result in convictions... which basically means that we really know very little about crime! Plus, each of those steps above are not at all random... so there is also tremendous bias at every step. Of course, I still think it's worth looking at the data, but it's important to understand the limitations.

      April 22, 2014

    • Tom Schenk J.

      Will definately miss you at this one.

      April 23, 2014

  • Tim B.

    Map link for 225 N Michigan Avenue Suite 2050, Chicago, IL goes to the Wrigley Building, north of the river. I believe 225 is south of the river, and on the east side.

    April 23, 2014

    • Justin S.

      The map link on this page is pointing to the right one for me. The entrance is at the northeast corner of Michigan and Lake - there's a big red awning, you can't miss it. Here's another map link for reference: https://www.google.com...­

      April 23, 2014

    • Tim B.

      How bizarre. Your link is definitely correct but the other one still wants to send me to the Wrigley building.

      April 23, 2014

  • Paul B.

    In preparation for Derek's presentation tonight, you can learn about how the concepts and visualizations for Crime in Chicago came about in a presentation that Nick Rougeux and I gave to the 2012 Chicago WebConf. Starting 28:00 minutes into the video at http://vimeo.com/52025018 we discuss how the concept was partially driven by wanting to use some cool D3 heatmap technology (also driven by wanting to inform the City Council debate over allocation of police resources); why we chose Highcharts and Sparklines to express various aspects of the data; experiments in trying to create a severity index rather than just a volume index; the effects of time of day; some "data as art" examples; and a discussion about problems working with crime data. Unfortunately I have two conflicts tonight, so will give up my spot to what is sure to be a good discussion.

    April 23, 2014

  • clay

    Justin, any update on the live stream or recording of the event? I am also in that field, but my schedule doesn't allow me to make it.

    April 21, 2014

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