Introduction to Data Visualizations

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Introduction to Data Visualizations

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  • Thanks for uploading this man. I have shown it to a quite a few people. Another elegant case of taking complex concepts and making them easily digestable. Excellent.
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Introduction to Data Visualizations

  1. 1. VISUALIZING DATA by joel laumans
  2. 6. “ Data graphics visually display measured quantities by means of the combined use of points, lines, a coordinate system, numbers, symbols, words, shading, and color.” Edward R. Tufte
  3. 7. Don’t just substitute tables, data visualizations should do much more !
  4. 9. “ Excellence in statistical graphics consists of complex ideas communicated with clarity, precision, and efficiency .” Edward R. Tufte Graphical Excellence
  5. 10. Edward R. Tufte What data graphics should do: Show the dataDon’t distort the dataMake large data sets coherentServe a clear purposeReveal data at different levels (overview - detailed)
  6. 11. Be accurate Lie Factor size of effect shown in graphic size of effect in data
  7. 12. Be accurate Lie Factor size of effect shown in graphic size of effect in data
  8. 13. Be accurate Lie Factor size of effect shown in graphic size of effect in data
  9. 14. geographic other How is your data organized? linear tabular hierarchical networked from Jenifer Tidwell
  10. 16. from Jenifer Tidwell Find numbers greater than 1.0
  11. 17. from Jenifer Tidwell Find numbers greater than 1.0
  12. 18. “ Certain visual features operate ‘ preattentively :’ they convey information before the viewer pays conscious attention.” Jenifer Tidwell
  13. 19. 8 preattentive variables
  14. 20. color hue
  15. 21. position and alignment
  16. 22. color brightness
  17. 23. orientation
  18. 24. color saturation
  19. 25. size
  20. 26. texture
  21. 27. shape
  22. 29. www.processing.org
  23. 31. Visitors Linear
  24. 32. Visitors Cartographic
  25. 33. any questions?

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