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# Big data debate foursteps slideshare

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### Big data debate foursteps slideshare

1. 1. Visual Analysis: Four talking points Andy Cotgreave Social Content Manager, Tableau @acotgreave
2. 2. I . CHARTS
3. 3. 1. Why viz? 2. Engage 3. Message 4. Explore
4. 4. 1. Why viz?
5. 5. 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)
6. 6. Consider these numbers… Blue Orange Green Red
7. 7. Consider these numbers… Orange Green Red
8. 8. Consider these numbers… Green Red
9. 9. Consider these numbers… Red
10. 10. Consider these numbers…
11. 11. From the Texas School for the Blind and Visually Impaired
12. 12. 2. Engage with value, not candy
13. 13. http://www.informationisbeautiful.net/visualizations/colours-in-cultures/ What colour do Asians associate with Purity?
14. 14. http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html (Simon Scarr)
15. 15. 3. What’s your message?
16. 16. http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
17. 17. http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html Iraq: Deaths on the declineChange the message?
18. 18. “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
19. 19. 4. Explore
20. 20. Start Formulate question Acquire data Transform into tables Visualise End The traditional way
21. 21. Let’s explore some data http://benjaminbenben.com/2014/05/29/lastfm-to-csv/
22. 22. @acotgreave