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Data visualization
This document discusses data visualization. It begins by defining data visualization as conveying information through visual representations and reinforcing human cognition to gain knowledge about data. The document then outlines three main functions of visualization: to record information, analyze information, and communicate information to others. Finally, it discusses various frameworks, tools, and examples of inspiring data visualizations.
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Data visualization
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- 4. Data Visualization “...to conveyinformation through visual representations.” “...produces (interactive) visual representations of abstract data to reinforce human cognition; thus enabling the viewer to gain knowledge about the internal structure of the data and causal relationships in it.”
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- 7. Visualization Goals • Answerquestions (or discover them) • Make decisions • See data in context • Support graphical calculation • Find patterns • Present argument or tell a story • Inspire
- 14. Three Functions ofVisualization • Record: store information • Analyze: support reasoning about information • Communicate: convey information to others
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- 20. Preattentive Processing • Requiresattention despite the name • Very fast: < 200-250 ms • What matters most is the contrast between features
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- 51. Credits & Resources •HansPeter Phister for slides inspiration: http://www.cs171.org/ • Stephen Few for Dashboard & redesigns: http://www.perceptualedge.com • Christopher G. Healy for Change Blindness & Preattentive Variables: http://www.csc.ncsu.edu/faculty/healey/PP/ • Hans Rosling from Gapminder: http://www.ted.com/talks/hans_rosling_shows_the_best_stats_you_ve_ever_seen.html http://www.gapminder.org/ • Protovis: http://vis.stanford.edu/protovis/ • Polymaps: http://www.polymaps.org/ • Processing: http://processing.org/ • Processing.js: http://processingjs.org/ • Spde: http://technically.us/spde/About • Tableau Public: http://www.tableausoftware.com/public/ • Oakland Crime Spotting & Cab Spotting by Stamen Design: http://www.stamen.com/ • “Good Morning” & Haiti Earthquake Aid in Avatar Minutes by Jer Thorp: http://blog.blprnt.com/ • House of Cards video clip for Radiohead by Aaron Koblin: http://www.aaronkoblin.com/ • Wikipedia history flow by Martin Wattenberg & Fernanda Viegaz: http://www.bewitched.com/ http://fernandaviegas.com/ • Map of USA by Ben Fry: http://benfry.com/ • “Hoe de kredietcrisis de beurs besmette by Frédérik Ruys: http://www.vizualism.com/ • StemBesef by Jan Willem Tulp: http://www.janwillemtulp.com/stembesef
Editor's Notes
- #24 http://www.csc.ncsu.edu/faculty/healey/PP/index.html