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Data Visualisation by Olivier Lorrain
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Data Visualisation by Olivier Lorrain

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Talk at the Wellington Web Design Meetup on April 8, 2010. Data visualization is used to communicate : To make a point, to form a hypothesis, to help achieve a goal.

Talk at the Wellington Web Design Meetup on April 8, 2010. Data visualization is used to communicate : To make a point, to form a hypothesis, to help achieve a goal.

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  • 1. Data Visualisationinspired by Toby Segaran ~ Webstock
    By Olivier Lorrain
    April 8, 2010
    www.olivierlorrain.com
  • 2. Data Visualisation
    “The main goal of data visualization is its ability to visualize data, communicating information clearly and effectivelty.”
    Vital Friedman, editor-in-chief of www.smashingmagazine.com
  • 3. To Make a Point
    Impact of One child policy 1979
    Source: www.census.gov/ipc/www/idb/informationGateway.php
  • 4. To Form a Hypothesis
    China’s Population: 1 330 000 000
    Which country will be the most populous in 2030?
    India’s Population: 1 173 000 000
    Source: www.census.gov/ipc/www/idb/informationGateway.php
  • 5. To Help Achieve a Goal
    Task in a Power plant: Monitor Temperature of Liquid B
    Temperature (C)
    Temperature (C)
    56.2
    Digital
    Dial
  • 6. To Help Achieve a Goal
    Task in a Power plant: Monitor Temperature of Liquid B
    Temperature (C)
    Threshold
    Threshold
    Time (min)
  • 7. 7
    Gender balance
    • 12% of corporate board members from the sample were female
    • 8. 21% of the lines are women
    Cluster
    • West vs East
    Toby Segaran - Corporate map: http://dev.mqlx.com/~toby/corporate_map.png
  • 9. 8
    Gender balance
    • 12% of corporate board members from the sample were female
    • 10. 21% of the lines are women
    Cluster
    • West vs East
    discover patterns
    Toby Segaran - Corporate map: http://dev.mqlx.com/~toby/corporate_map.png
  • 11. Dull Table or Animated Data
    3800 US stores in 2005
    Growth of WalMart blog.kiwitobes.com/?p=51
  • 12. 3D Pie Chart
  • 13. Pie Chart
  • 14. 3D Pie Chart
    7
    20
    38
    15
    20
    Visual bias – Avoid 3D graphs
  • 15. Bar Chart
  • 16. Large Network
    More about beauty then useful
    Source: www.solidsourceit.com/products/SolidSX-source-code-dependency-analysis.html
  • 17. Helps track expensesvssavings
    Source: www.bnz.co.nz
  • 18. Helps uncover patterns
    Source: www.bnz.co.nz
  • 19. Data visualisation could be a powerful communication tool
    Always bear in mind the users / audience of the data visualisation
    Key Points
  • 20. Toby Segaran - http://kiwitobes.com
    Gap Minder – Debunking myths about the “third world”
    www.gapminder.org/videos/ted-talks/hans-rosling-ted-2006-debunking-myths-about-the-third-world/
    Data Visualisation tools
    www.yworks.com/en/products.html
    www.graphviz.org/
    Edward Tufte – Visual Explanationswww.edwardtufte.com/tufte
    Further Reading
  • 21. Free data
    Freebase – www.freebase.com
    OECD - http://stats.oecd.org/index.aspx
    Statistic NZ - http://search.stats.govt.nz/nav/0
    Demographic
    David Foot, Boom, Bust and Echo - http://www.footwork.com/book.asp
    Further Reading
  • 22. Blog: www.olivierlorrain.com
    Flickr: olorrain