data vis
TRANSCRIPT
Information Literacy
Information LiteracyData Visualization
Holly WillisHolly Willis
Institute for
Multimedia Literacy
USC
Institute for
Multimedia Literacy
USC
10 Questions
Georgia International Conference
on Information
Literacy
Georgia International Conference
on Information
Literacy
What is data visualization?
#1
“…situations when quantified data which by itself is not visual… is transformed into a visual representation…” Lev Manovich, The Future of Learning Institutions in a Digital Age
“…the process whereby abstract data is rendered visual in a manner that helps elucidate relationships and supports forms of analysis. . .”
datavisualization
pragmatic
aesthetic
versus
* Edward TufteThe Visual Display of Quantitative Information
–> clarity–> precision–> efficiency
What is its history?
#2
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ William Playfair +++ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++++ Jacques Bertin: Semiology of Graphics +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ John Tukey: Explanatory Data Analysis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++Edward Tufte, The Visual Display of Quantitative Information ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* …historical precedents….
Balance of Trade
Prices, Wages and Reigns
William Playfair
“inventor of graphical forms”
Charles Minard Napoleon’s March to Moscow
“best statistical graphic”
John Snow
Cholera deaths in London
“pioneer in disease mapping”
Etienne-Jules Marey motion studies “pioneer of dynamic graphics”
Henry Beck
London Underground
1933
simplicity
Charles & Ray Eames
Powers of Ten1977
Henry Beck
Icoro Doria
AngolaChina
Colombia
NameVoyager2007
Laura & MartinWattenberg
We Feel Fine
Jonathan HarrisSep Kamvar
Why is it so prevalent?
#3
data delugecapacity
databasessocial media
What’s the process?
#4
parsefilter
representmine
refineinteract
Ben Fry, Visualizing Data
organizesimplify
comparecause and effect
contrastmultiply views
What are the various types ?
#5
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ comparative analysis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ time series +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ part to whole relationships +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ deviation analysis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++multivariate analysis+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* …data visualization genres….
What’s storytelling with data?
#6
••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• --------- question + visual data + context = story ----------•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
*Mattias ShapiroOnce Upon a Stacked Time SeriesThe Importance of Storytelling in Information Visualization
“Stories have a marvelous way of focusing our attention and helping us discern why the data presented is important or relevant to some part of our lives.” Mattias Shapiro
Al Gore, An Inconvenient Truth
What are some tools?
#7
Google RefineDataWrangler
http://code.google.com/p/google-refine/http://vis.stanford.edu/wrangler/
data cleaning
Wordle
http://www.wordle.net/create
Google Fusion
https://sites.google.com/site/fusiontablestalks/
Many Eyes
http://www-958.ibm.com
Processing
http://processing.net
Tableau Public
http://www.tableausoftware.com/public
OpenHeatMap
http://www.openheatmap.com/
TimeFlow
https://github.com/FlowingMedia/TimeFlow/wiki/
Gephi
http://gephi.org/
Who cares?
#8
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ proliferation of data +++++++++++++++++++++++++++++++++++++++++++++++++++++ deeply rhetorical ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ lower barriers ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ competencies ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 21st century citizenship +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* ….the significanceof data visualization…
criticalapproach
“What kinds of participation are opened up when cycles of everyday action and the representation of collective sovereignty are bound so much more closely within planetary information networks, now responsive on a molecular level?”
Natalie Jereminjenko and Benjamin Bratton
“spectacularization
information”
of
Natalie Jereminjenko and Benjamin Bratton
IBM | Motion Theory | Data Anthem | 2010
IBM | Motion Theory | Data Energy | 2010
IBM | Motion Theory | Data City | 2010
IBM | Motion Theory | Data Baby | 2010
IBM | Internet of Things | 2010
“visualizationcriticism”
Robert Kosara, “Visualization Criticism – The Missing Link Between Information Visualization and Art”
Enhanced State of the Union address | 2010
Enhanced State of the Union address | 2010
No visualization
Enhanced State of the Union address | 2010
Meaningless illustration
Enhanced State of the Union address | 2010
Rhetorical juxtaposition
Enhanced State of the Union address | 2010
Text visualization
Enhanced State of the Union address | 2010
Rhetorical Illustration
Enhanced State of the Union address | 2010
Data visualization
Enhanced State of the Union address | 2010
Rhetorical visualization
Enhanced State of the Union address | 2010
Mendacious visualization
State of the Union Visualizer | Brad Borevitz | 2010
George W. Bush SOTU | 2001Harry S. Truman SOTU | 1953
George W. Bush SOTU | 2001 George W. Bush SOTU | 2003
Barack Obama | State of the Union | 2010
State of the Union | Lenka Clayton | 2003
Data Sonification
#9
Connection to the digital humanities?
What’s the future?
#10