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Transcript of V ISUALIZING L IBRARY D ATA SLA Division of Pharmaceutical and Health Technology Spring Meeting...
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VISUALIZING LIBRARY DATA
SLA Division of Pharmaceutical and Health Technology
Spring Meeting
Hilary DavisNorth Carolina State University Libraries
April 12, 2011
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LIBRARIES MEASURE A LOT OF THINGS
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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
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GOALS FOR PRESENTING LIBRARY DATA
Impactful
Drive home our point quickly
Lingering impact
Easy to digest
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QUICK POLL
What is your primary spreadsheet and graph/chart making tool?
Flickr: ganzalo_ar
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MINIMIZE “NON-DATA” INK
What do you find distracting?
What makes it harder to interpret?
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SEQUENCE THE DATA
Before
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After
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What makes it hard to read these charts?
What time period does this data cover?
What are the units of measure?
GIVE CONTEXT
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BE STRAIGHTFORWARD
Before
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After
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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
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DATA VISUALIZATION TOOLS
Microsoft Excel
Google Gadgets
ManyEyes
Tableau Public
Swivel – defunct
Information Dashboards Flickr: JanneM
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GOOGLE GADGETS
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GOOGLE GADGETS
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TABLEAU PUBLIC
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EXAMPLE – JOURNAL BACKFILES COST PER USE
Excel’s defaults don’t do the data justice
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TABLEAU PUBLIC EXAMPLE
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SOURCES FOR INSPIRATION
http://flowingdata.com/
http://infosthetics.com/
http://www.gapminder.org/
http://www.visualcomplexity.com/vc/
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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)
http://www.visualcv.com/hilarymdavis