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The Importance of Data Visualization for Data Literacy

The Importance of Data Visualization for Data Literacy. Janet P. Stamatel, Ph.D. School of Criminal Justice & Department of Informatics University at Albany. Source: http://www.lapdonline.org/crime_maps_and_compstat. Source: http://www.edwardtufte.com/tufte/index.

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The Importance of Data Visualization for Data Literacy

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  1. The Importance of Data Visualization for Data Literacy Janet P. Stamatel, Ph.D. School of Criminal Justice & Department of Informatics University at Albany

  2. Source: http://www.lapdonline.org/crime_maps_and_compstat

  3. Source: http://www.edwardtufte.com/tufte/index

  4. Tufte’s Principles of Analytical Design • Show comparisons, contrasts, differences • Demonstrate causality, mechanism, explanation, systematic structure • Utilize multivariate data • Integrate words, numbers, images, diagrams • Document the evidence thoroughly • Emphasize the quality, relevance, and integrity of the content

  5. L&D Sample of Countries Source: LaFree & Drass, 2002

  6. Sampled Countries by Development Source: LaFree & Drass, 2002

  7. Source: LaFree & Drass, 2002

  8. Average Homicide Rates, 1956-1998 Source: LaFree & Drass, 2002

  9. European Homicide Averages by Development Source: LaFree & Drass, 2002

  10. European Homicide Averages & Booms by Development Source: LaFree & Drass, 2002

  11. Western Hemisphere Homicide Averages & Booms by Development Source: LaFree & Drass, 2002

  12. Source: LaFree & Drass, 2002

  13. Source: LaFree & Drass, 2002

  14. Source: LaFree & Drass, 2002

  15. U.S. Homicide Rates, 1950-2001 Start Sparkline End Trend [Min|Max] Maximum Minimum

  16. Annual Percentage Change in U.S. Homicide Rates, 1950-2001 Min Max Positive change Negative change

  17. Source: LaFree & Drass, 2002

  18. Sparklines Facilitate Comparisons Start Sparkline End Trend [Min|Max] Canada U.S.A.

  19. Challenges of Visual Presentation • Understanding principles of analytic design • Learning techniques to properly visualize data • Figuring out how to implement the techniques

  20. ArcGIS Cost Availability Learning curve Very flexible Bissantz Sparkmaker $200 individual license Easy to download and install Simple to use with MS products Buggy Limited customization Software Considerations

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