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Data visualization workshop

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GHME 2013 Conference …

GHME 2013 Conference
Session: Data visualization workshop
Date: June 18 2013
Presenter: Peter Speyer
Institute:
Institute for Health Metrics and Evaluation (IHME), University of Washington

Published in: Education

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  • IntroExamplesTalk through GBD viz for usageLearnings from creating those: how to go aboutPractical examplesQ&A
  • Let’s start with the last points and work backwardsFew historic examples to provide some contextClear take-aways
  • Cholera on braod streetTheory: bad airCounting casesNo proof in waterPump handle
  • Pie chart with 12 slices for monthsArea (from middle) proportionate to deathsCommunicable disease bigger enemy than RussiansMilitary hospital system
  • Number of soldiersLocationDirectionDateTemperatureStories: river crowssing
  • Fast-forward over 100 yearsWeb allows interactivitySoftware allows watching movies of time trends, allows for integrating any indicatorTED visualizations
  • Bill Gates: big milestone after Rosling’sGapminder
  • Transcript

    • 1. UNIVERSITY OF WASHINGTON Data visualization workshop Peter Speyer Kyle Foreman Director of Data Development PhD Candidate IHME Imperial CollegeJune 18, 2013
    • 2. Agenda • Introduction • Interactive visualizations • GBD visualizations: examples in a research setting • The main steps for visualizing data • Practical example • Final questions 2
    • 3. Why do we visualize data? Review data • Make sense of large amounts of data • Explore patterns and trends • Evaluate research results • Find stories Communicate results • Make data engaging • Cut through the clutter • Let users explore the data • Use for presentations • Tell stories 3
    • 4. 4John Snow’s map of cholera cases in London, 1854
    • 5. 5Florence Nightingale, Deaths on Crimean Peninsula, 1858
    • 6. 6Charles Joseph Minard’s map of Napoleon’s Russian campaign of 1812, published 1869
    • 7. 7Gapminder World, http://www.gapminder.org, founded 2005
    • 8. 8
    • 9. “People are generally better persuaded by the reasons which they have themselves discovered than by those which have come into the mind of others” Blaise Pascal 9
    • 10. Agenda • Introduction • Interactive visualizations • GBD visualizations: examples in a research setting • The main steps for visualizing data • Practical example • Final questions 10
    • 11. Agenda • Introduction • Interactive visualizations • GBD visualizations: examples in a research setting • The main steps for visualizing data • Practical example • Final questions 11
    • 12. Global Burden of Disease 2010 - Results 291 causes/4 hierarchical levels 67 risk factors/2 levels 21 age groups (3 infant age groups, 1-4, 5-9… 75-79, 80+) Female/male/both 187 countries 1990, 2005, 2010 4 key metrics (deaths, YLLs, YLDs, DALYs) Uncertainty bounds 12
    • 13. Use of visualizations for research 13 Improving the research work flow: Mortality Visualization COD Visualization Review results: GBD Compare Share results & tell stories: GBD Cause Patterns GBD Arrow Diagrams Evaluating policy impact: Benchmarking tool
    • 14. Agenda • Introduction • Interactive visualizations • GBD visualizations: examples in a research setting • The main steps for visualizing data • Practical example • Final questions 14
    • 15. Be clear about your objectives • What do I want to do/ communicate? • Am I telling a story or letting users explore? • What is my audience? How much do they know about the topic? About statistics? About visualizations? 15HikingArtist via Flickr
    • 16. Prepare the data • Identify all relevant available data • Become intimate with your dataset(s): metrics, units, dimensions, uncertainty • Prepare data: Excel, Google Refine, Data Wrangler, AP’s Overview 16Kikishua via Flickr
    • 17. Build it • Select the right type of visual – Highlight your point – Keep it simple • Select the degree of interactivity • Select the right visualization tool: start simple – Excel – Public tools: Google Motion Charts, Tableau Public, ArcGIS.com – Custom coding: D3.js, Highcharts – Maps: visualization vs. GIS 17Edwc via Flickr
    • 18. Final thoughts • Facilitate viral communication – Permalinks – Social media integration – Embedding visualizations – Download screenshot • Working with software developers – Requirements – Testing – Documentation – Priorities 18ocean.flynn via Flickr
    • 19. How do I know if I succeeded? 19Mr. Aktugan via Flickr
    • 20. Further reading & inspiration • http://flowingdata.com/ • http://blog.visual.ly/ • http://www.informationisbeautiful.net/ • http://www.visualcomplexity.com/vc/ • http://visualization.geblogs.com/ • http://eagereyes.org/ • http://chartporn.org/ • http://worldbank.tumblr.com/ 20
    • 21. Agenda • Introduction • Interactive visualizations • GBD visualizations: examples in a research setting • The main steps for visualizing data • Practical example • Final questions 21
    • 22. Questions? speyer@uw.edu kyleforeman@gmail.com http://ihmeuw.org/gbd 22