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Data Visualization

March 12, 2014. Data Visualization. John Stasko School of Interactive Computing Georgia Institute of Technology stasko@cc.gatech.edu. Data. Visualization “The use of computer-supported, interactive visual representations of data to amplify cognition” . Visuals help us think

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Data Visualization

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  1. March 12, 2014 Data Visualization John Stasko School of Interactive ComputingGeorgia Institute of Technology stasko@cc.gatech.edu

  2. Data

  3. Visualization“The use of computer-supported, interactive visual representations of data to amplify cognition”

  4. Visuals help us think Provides a frame of reference, temporary storage area Cognition  Perception Pattern matching

  5. 1. Presentation Communicate data and ideas Explain and inform Influence and persuade Provide evidence and support

  6. AJC, Jan. 3, 2014

  7. http://infographicsnews.blogspot.com/2009/04/mantras-joe-lertolas-maps.htmlhttp://infographicsnews.blogspot.com/2009/04/mantras-joe-lertolas-maps.html

  8. www.cdc.gov/mmwr/preview/mmwrhtml/mm5212a1.htm

  9. 2. Analysis understand, compare, decide, judge, evaluate,assess, determine, …

  10. Many Data Analysis Approaches Statistics Database & information retrieval Data mining Machine learning

  11. Visualization most useful in exploratory data analysis • Don’t know what you’re looking for • Don’t have a priori questions • Want to know what questions to ask

  12. SellTrend Web-based airlinebooking requests Help recognizeirregularities and analyze what the problem is http://www.cc.gatech.edu/gvu/ii/selltrend/ Liu, Sullivan, Stasko TVCG (InfoVis) ‘09

  13. SnapShot Present an entire year ofNHL shot data For ice hockey analyticsand strategists http://www.cc.gatech.edu/gvu/ii/sportvis/ Pileggi, Stolper, Boyle, Stasko TVCG (InfoVis) ‘12

  14. http://www.cc.gatech.edu/gvu/ii/jigsaw Jigsaw Visual analytics of large text document collections Görg, Liu, Kihm, Choo, Park, & StaskoTVCG ‘13

  15. Project Process Model Design visualizationtechniques and systems Understand usersand their problem Demonstrate to usersfor feedback, reactions Iteraterepeatedly Draw upon knowledgeof existing techniques andexperience applying them Revisit as needed

  16. Upcoming Talk Quarterly Analytics Collaborative Auditorium at Emory HospitalThursday May 8, 1-3 pm Dr. Sheri ChernetskyTejedorChief Research Information Officer, Emory University School of Medicine

  17. My Research http://www.cc.gatech.edu/gvu/ii

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