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Zen of visual analysis (slideshare)

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These are the slides from my Oxford Geek Night talk on 22 Jan. I hope they give some inspiration for making great data visualisations!

Published in: Education, Technology

Zen of visual analysis (slideshare)

  1. 1. The Zen of Visual Analysis Andy Cotgreave @acotgreave
  2. 2. I . CHARTS
  3. 3. BAD CHARTS
  4. 4. 5 steps…
  5. 5. 1. Why viz?
  6. 6. Consider these numbers…
  7. 7. Consider these numbers… Property Value Mean of x 9 Variance of x 11 Mean of y 7.5 (to 2 dp) Variance of y 4.122 (to 3 dp) Correlation 0.816 (3dp) Linear regression y=3+.5x (3dp)
  8. 8. Consider these numbers… Blue Orange Green Red
  9. 9. Consider these numbers… Orange Green Red
  10. 10. Consider these numbers… Green Red
  11. 11. Consider these numbers… Red
  12. 12. Consider these numbers…
  13. 13. Consider these numbers…
  14. 14. 2. Don’t fool your eyes
  15. 15. From the Texas School for the Blind and Visually Impaired
  16. 16. http://www.cs.ubc.ca/~rensink/flicker/download/Airplane.mov Change blindness Spot the difference!
  17. 17. The answer…
  18. 18. Grey screen: explain importance of Change Blindness
  19. 19. Grey screen: explain importance of Change Blindness
  20. 20. http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  21. 21. What colour do Asians associate with Purity? http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  22. 22. What colour do Asians associate with Purity? 1 http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  23. 23. What colour do Asians associate with Purity? 2 http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  24. 24. What colour do Asians associate with Purity? 3 http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  25. 25. What colour do Asians associate with Purity? 4 http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  26. 26. What colour do Asians associate with Purity? 5 http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  27. 27. What colour do Asians associate with Purity? 6 http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  28. 28. What colour do Asians associate with Purity? Beautiful? Functional? http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
  29. 29. http://vizcandy.blogspot.ca/p/tableau-8-redoux.html
  30. 30. 3. Exploit the power of the visual system
  31. 31. From the Texas School for the Blind and Visually Impaired
  32. 32. In the following slides, which is bigger: B, C or D?
  33. 33. 4. Engage with value, not candy
  34. 34. http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html (Simon Scarr)
  35. 35. It is possible to make functional charts that are also beautiful http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html (Simon Scarr)
  36. 36. 5. What’s your message?
  37. 37. The message is delivered by the title, the colour and the axis going down: A Smear Of Blood http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
  38. 38. Let’s change the message without changing the data http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
  39. 39. Iraq: Deaths on the decline http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
  40. 40. Iraq: Deaths on the decline Now the message is more optimistic http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
  41. 41. “When I am working on a problem, I never think about beauty. I only think about how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong.” - R. Buckminster Fuller www.gravyanecdote.com @acotgreave
  42. 42. 5 steps… www.gravyanecdote.com @acotgreave

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