Collaboration in Civic Spheres

User guide for King County crime data viz #1

by Administrator August 15th, 2012

How to use this data visualization.

Timeline Operation

  • The slider located below the map determines which year is reflected in the map and both charts. The number of King County cities increases over the years. It takes a moment for each new year to appear.
  • To set the year, either drag the slider or use the arrows at the side.
  • Map Operation

  • Zoom in/out: Hover cursor over the map; a control panel will appear in the upper left corner. Use the “plus” sign to zoom in and reduce overlap between the bubbles representing the cities, the “minus” sign to zoom out.
  • Move map view: Click and hold until cursor becomes a fist, then drag to desired location.
  • Supporting information

  • Hover cursor over any bubble to view additional information.
  • 2 Responses to “User guide for King County crime data viz #1”

    1. [...] Population is represented by the size of the bubble for each city. As depicted in the color legend below the map, localities with total crime rates below the average for all cities in King County in the given year are shaded in green; the darker the shade, the lower the rate. Similarly, localities with rates higher than the average for all cities in King County in the given year are shaded in red; the darker the shade, the higher the rate. Hover the cursor over any bubble to view additional information about that locality, including violent crime rate and property crime rate. Crime rates are expressed as incidences per thousand residents. The maps display data as reported by each city’s police department within King County by the Washington Association of Sheriffs and Police Chiefs. “Empty” or absent cells reflect missing source data. More instructions in user guide. [...]

    2. [...] – showing the overall crime rate for each town, color-coded and with mouse-over details (map operation details); but at the same time the bar charts below will display for the same year the crime sub-type rates [...]