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Visualizing Library Data

Visualizing Library Data. SLA Division of Pharmaceutical and Health Technology Spring Meeting Hilary Davis North Carolina State University Libraries April 12, 2011. Libraries measure a lot of things. Why do we measure These things?. Value for money or time

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Visualizing Library Data

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  1. Visualizing Library Data SLA Division of Pharmaceutical and Health Technology Spring Meeting Hilary Davis North Carolina State University Libraries April 12, 2011

  2. Libraries measure a lot of things

  3. Why do we measure These things? • Value for money or time • Use of collections and services • Demonstrate worth and fit • Support decision-making • Better user experiences • Align with organizational goals

  4. Goals For Presenting Library Data • Impactful • Drive home our point quickly • Lingering impact • Easy to digest

  5. Quick Poll • What is your primary spreadsheet and graph/chart making tool? Flickr: ganzalo_ar

  6. Minimize “Non-Data” ink What do you find distracting? What makes it harder to interpret?

  7. Sequence the data Before

  8. After

  9. Give Context What makes it hard to read these charts? What time period does this data cover? What are the units of measure?

  10. Be Straightforward Before

  11. After

  12. De-Clutter Excel • Remove those grid lines • No 3-D bars • Throw away the pie chart • Label your axes • Remember the units • Order the data • What’s your point? • Don’t overwhelm • Choose the best graph/table for your data • Excel Chart Templates Flickr:smemon87

  13. Data Visualization Tools • Microsoft Excel • Google Gadgets • ManyEyes • Tableau Public • Swivel – defunct • Information Dashboards Flickr: JanneM

  14. Google Gadgets

  15. Google Gadgets

  16. Tableau Public

  17. Example – Journal Backfiles Cost per Use Excel’s defaults don’t do the data justice

  18. Tableau Public Example

  19. Sources for inspiration http://flowingdata.com/ http://infosthetics.com/ http://www.visualcomplexity.com/vc/ http://www.gapminder.org/

  20. Credits • Beautiful Data (Segaran & Hammerbacher, 2009) • Show me the Numbers (Few, 2004) • Now you see it (Few, 2009) • Lisa Kurt and Will Kurt, University of Nevada Reno • Edward Tufte • Cory Lown (http://www.slideshare.net/corylown/data-visualization-7522083) Thanks! hilary_davis@ncsu.edu http://www.visualcv.com/hilarymdavis

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