A presentation by bioinformationist Marci Brandenburg for the Medical Library Association Webinar: Applying Data Management Strategies: A Showcase of Data Management Projects on November 11, 2016.
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MLA CE: The Diversity of Data Management: Practical Approaches Recorded Webcast, Nov. 11, 2016, Marci Brandenburg
1. What is Visualization?
“The action or fact of visualizing; the power or
process of forming a mental picture or vision of
something not actually present to the sight; a
picture thus formed.”
-Oxford English Dictionary
"visualization, n." OED Online. Oxford University Press, June 2016. Web. 27 June 2016.
2. Outline
Overview of Visualization
Library Services
Instruction/Consultation
Types of Visualization
Design Principles
Referrals
Finding and Manipulating Data
Challenges
Acknowledgments
8. Viégas F., Wattenberg, M. Hint.fm. Cambridge, Massachusetts. 2014. Web. 10 March 2014.
<http://hint.fm/wind>
9. Data Visualization
Data visualization deals with communicating information
about an existing data set through a visual medium.
Goals
• Take advantage of the brain’s ability to efficiently
process visuals. A high volume of information can
often be easily understood through an image.
• Want the viewer to learn something about the data
that could not be easily understood by reading the
raw data.
• Visual is presented in a simple manner. Don’t
overload the viewer with many unnecessary details.
11. Instruction
• Specific visualization
software tools (ex.
Cytoscape, R)
• Basic principles (when
appropriate, good vs
bad, etc)
• Curriculum
• Data management
practices
Consultation
• Specific visualization
software tools with
researcher data (ex.
Cytoscape)
• Range of visualization
tools to meet a specific
purpose or type of data
• Charts/graphs for
manuscript (pie chart vs
bar chart vs network
graph)
• Opportunity to stress
good data management
13. Graphs
Goal is to communicate the relationships
among the data efficiently.
Common Types of
Graphs:
• Simple Graphs
• Bar graphs, scatter
plot, pie chart
• Network Graphs
• Shows relationships
between points
Cytoscape Consortium. 2016. Web. 30 June 2016.
<http://cytoscape.org/what_is_cytoscape.html>
15. The American Southwest. 2016. Web. 31 October 2016.
<http://www.americansouthwest.net/california/yosemite/glen-aulin-trail-map.html>
Map-Based
16. Snow, J. Snow on Cholera being a Reprint of Two Papers. London: Oxford
University Press, 1936. Print.
Map based
example -
Cholera
Outbreak
Created
by
John Snow
17. 3D can untangle a graph: entire new dimension to place nodes
Need to think about if our visualization would really benefit from 3D.
• Does it overcomplicate the visualization?
• Does the 3D graph provide more information to the viewer, or does it just look
different?
2D vs. 3D Visualization
18. Just because we can…
Andy Kirk. Data visualization: a successful design process. Birmingham:
United Kingdom, 2012. eBook.
27. Referrals
• Visualization landscape at
institution/organization
• Locations/units that offer visualization services
• Know people and technology
• U-M Library Data Visualization webpage
(http://www.lib.umich.edu/data-visualization)
• Group email address
• Educate all librarians to be able to make
better referrals
28. Finding and Manipulating Data
• Subscriptions to various data sets
• Help researchers find publicly available
data
• Manipulate and clean data to work in
desired visualization software
• Deep Blue Data
• ICPSR
30. Challenges
• Lot of visualization tools and resources
• Constantly changing
• Some are very complex
• Wide range of visualization types
• Focus on principles; rely on others
• Making the library the go-to place for
visualization services
• Resources
31. Acknowledgments
• Eric Maslowski - Director, Creative Applications. Co-
Director, Digital Media Commons. University of
Michigan
• Justin Joque - Visualization Librarian, University of
Michigan
• Jean Song – Assistant Director Academic and
Clinical Engagement, Taubman Health Sciences
Library, University of Michigan