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Interactive Graphics a t the US Bureau of Labor Statistics

Interactive Graphics a t the US Bureau of Labor Statistics. Michael Levi UNECE Work Session on the Communication of Statistics June 20, 2014. Why Interactivity?. Present more information Add another dimension to the data Time, in particular Let users decide what they want to see

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Interactive Graphics a t the US Bureau of Labor Statistics

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  1. Interactive Graphicsat the US Bureau of Labor Statistics Michael Levi UNECE Work Session on the Communication of Statistics June 20, 2014

  2. Why Interactivity? • Present more information • Add another dimension to the data • Time, in particular • Let users decide what they want to see • Custom views of data

  3. Simple Interactivity • Map • Mouse-over to display detail • Links • Line chart • Show/ hide series • Mouse-over to display detail • Bar/Line mix and match • Multiple charts, “stacked”

  4. ModerateInteractivity • Map with linked bars • Stacked bar with highlights

  5. High Interactivity • Animation • Zoom

  6. Alternative to Zoom

  7. Behind the Scenes • Highcharts (www.highcharts.com) • JavaScript library • Download code and install on server • Each chart has a unique code set that makes calls to the Highcharts library • Generated by hand (or, at BLS, with Jay’s Chart Maker tool)

  8. Learning curve • Simple charts • Line, bar, bubble, etc. • Including mouse-over and legend toggle • No programming required • Select options/parameters • Good instructions

  9. Learning Curve (cont.) • Advanced charts • Animation, styles not already in library • Programming is required • Need good JavaScript skills and coding experience

  10. Output • Client-side execution • Browser dependent • Older browsers may not execute well • Sometimes requires tweaking existing code when new browsers are released

  11. Michael D. LeviAssociate Commissioner for Publications and Special StudiesU.S. Bureau of Labor Statistics202-691-5100levi.michael@bls.gov

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