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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!

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### Zen of visual analysis (slideshare)

1. 1. The Zen of Visual Analysis Andy Cotgreave @acotgreave
2. 2. I . 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
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