Data Viz - telling stories with data
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Data Viz - telling stories with data

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OCSI's Tom Smith presentation to the iNetwork conference "Getting out the Facts: Open Data & Data Visualisation"

OCSI's Tom Smith presentation to the iNetwork conference "Getting out the Facts: Open Data & Data Visualisation"

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  • 1. Data viz – telling stories with dataTom Smith, OCSI
  • 2. About OCSI www.ocsi.co.uk +44 1273 810 270 info@ocsi.co.uk
  • 3. Make an impact Your data must influence yourorganisation & services
  • 4. Get your message across Data visualisation is key way to communicate stories from your data
  • 5. Information from data. Order from chaos • “data graphics can do much more than … substitute for statistical tables…. [They] are instruments for reasoning about quantitative information ”, Tufte, 1983
  • 6. How can data visualisation helplocal organisations?
  • 7. Summarise issues for service managersand senior staffWest Midlands Apprentices, Excel dashboard
  • 8. Engage the public with your information
  • 9. Causes of death for under 75s
  • 10. Engage the public (2) • Contribution of different diseases to inequalities in life expectancy
  • 11. Communicate key messages to ... staff,commissioners, funders, volunteers ...
  • 12. Data visualisation principles
  • 13. Visualisation is communication 1. Design for your audience Good communication 2. Keep it 3. Keep accurate it clear
  • 14. Principle 1: Design for your audience • Key points for this visualisation for this audience – Limit what you show. Be selective • Know your audience – What information does your audience want/ need? – What will they quickly understand? – What do they need to help them see the data story • Test your visualisation - colleagues? managers?
  • 15. Design for your audience – evolution 1 Crime rates by ward for single indicator. Targets. Detailed.Robert Radburn, Leicestershire. Changing how we present data to Community Safety Team Management meetings
  • 16. Design for your audience – evolution 2 Crime indicators for all crimes, all wards. 3 years
  • 17. Design for your audience – evolution 3 Crime indicators for all crimes, all wards. Trends by colour
  • 18. Principles 2 & 3: Keep it accurate & clear • Focus on the message(s) for the audience • Show the data without distortion – Avoid common pitfalls (do’s and dont’s) • Don’t obscure the information – Use the right type of chart • Learn from others – Look at examples and resources – there’s lots out there!
  • 19. Data visualisation practicalDo’s and Don’ts
  • 20. Simplify to emphasise key message(s)OCSI analysis of Amaze UK cost-benefits
  • 21. Annotate to emphasise the storyWarwickshire Quality of Life 2011
  • 22. Additional visuals to strengthen the storyMetropolitan Police
  • 23. Show the whole truth (trends) 3 points is not a trend ... Same dataset, longer time series, different story
  • 24. Repeated elements for similar aspectsWarwickshire Quality of Life 2011
  • 25. Use the right chart Shouldn’t pie charts add up to 100?%Hall of shame: “Criminal” pie-chartvia ONS Data Visualisation Centre
  • 26. Just because you can, doesn’t mean you shouldHall of shame: Pictorial representation
  • 27. 3D charts? No! Hides the story How much? When?“3D charts are the first refuge ofscoundrels”, Brian Derry, NHS-ICHall of shame: Excel 3D chartsvia ONS Data Visualisation Centre
  • 28. Keep it simple
  • 29. Learn from others – lots of resources • www.improving-visualisation.org.uk/links visualisation support for public sector researchers • www.visualisingdata.com (lots of links, tutorials, tools) • Flowing Data, www.flowingdata.com (examples) • www.gapminder.org (Hans Rosling videos) • ONS Data Viz centre www.ons.gov.uk/ons/interactive/index.html
  • 30. Learn from others – lots of resourcesextremepresentation.typepad.com/blog/2006/09/choosing_a_good.html
  • 31. Summing up • Your data must influence your organisation & services – Make an impact • Data visualisation is key way to communicate stories from your data – Get your message across. Lots of uses in local organisations • Principles - design for audience, keep it accurate & clear • Practicals - dos & donts • Learn from others - resources • Have fun
  • 32. Tom SmithOxford Consultants for Social Inclusion (OCSI)e: info@ocsi.co.ukt: +44 1273 810 270w: www.ocsi.co.uk
  • 33. Data viz and photo credits • Warwickshire Quality of Life 2011 report • Brighton & Hove Annual Director Public Health 2012 report • Leicestershire Research & Intelligence analysis and reports • OCSI analysis for Amaze UK disability charity • West Midlands Regional Observatory Apprentice Dashboard • Guardian Public Spending wallchart • David McCandless Map Venn diagram • ONS Data Visualisation Centre , visuals and hall of shame • DCLG / OCSI, Improving Visualisation for public sector researchers • Chart Chooser • Flowing Data • Wikimedia Commons