Visualization & Perception Across Scales · And shining morning face, creeping like snail...
Transcript of Visualization & Perception Across Scales · And shining morning face, creeping like snail...
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Visualization & Perception Across Scales
Danielle Albers SzafirDepartment of Information Science
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Color Difference
Disc
rimin
ab
ility
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More Analysts (& Fewer Experts)
More (& Different) Data More Questions
?
Why don’t we just compute the answer?
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Data Sample 2:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
Data Sample 3:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
Data Sample 4:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
Data Sample 1:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
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Data Sample 2:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
Data Sample 3:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
Data Sample 4:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
Anscombe, American Statistician, 1973
Data Sample 1:Mean(x) = 9Variance(x) = 11Correlation(x, y) = 0.816Regression: y = 3 + 0.5x
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Statistical tools are powerful,
but people understand patterns
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How we represent data changes the questions we can answer
These questions shift as the available data grows
We can manage scales using two strategies: 1. Harness Human Vision2. Collaborate with Computation
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How we represent data changes the questions we can answer
These questions shift as the available data grows
We can manage scales using two strategies: 1. Harness Human Vision2. Collaborate with Computation
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Position
Area
Length
Value/Lightness
Color
Orientation
A
B
A B
A B
A B
Cleveland & McGill, 1984
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Position
Area
Length
Value/Lightness
Color
Orientation
A
B
A B
A B
A BHow much bigger is A than B?A B
Cleveland & McGill, 1984
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Position
Area
Length
Value/Lightness
Color
Orientation
A
B
A B
A B
A B
More Effective
Less Effective
Cleveland & McGill, 1984
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Zacks & Tversky, 1999How we represent data affects the patterns people see
A AB B
Zacks & Tversky, 1999
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How we represent data changes the questions we can answer
These questions shift as the available data grows
We can manage scales using two strategies: 1. Harness Human Vision2. Collaborate with Computation
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http://www.nytimes.com/newsgraphics/2014/01/05/poverty-map/?ref=multimedia
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Low-Level Tasks Individual Values
High-Level Tasks Combine Many Values
Los Angeles
Phoenix
Midwest Southeast
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Szafir, Haroz, Gleicher & Franconeri, 2016
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Maxima Minima
Range Average
Variance Outliers
Encodings Tasks
X
Albers, Correll, Franconeri & Gleicher, 2014
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What month has the highest sales day?Albers, Correll, Franconeri & Gleicher, 2014
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What month has the highest sales on average?Albers, Correll, Franconeri & Gleicher, 2014
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What month has the highest sales on average?Albers, Correll, Franconeri & Gleicher, 2014
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What month has the highest sales day?Albers, Correll, Franconeri & Gleicher, 2014
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How you map the data impacts what statistics people see
Position for Point Tasks
Color for Summary Tasks
Albers, Correll, Franconeri & Gleicher, 2014
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How we represent data changes the questions we can answer
These questions shift as the available data grows
We can manage scales using two strategies: 1. Harness Human Vision2. Collaborate with Computation
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All the world's a stage,And all the men and women merely players:They have their exits and their entrances;And one man in his time plays many parts,His acts being seven ages. At first the infant,Mewling and puking in the nurse's arms.And then the whining school-boy, with his satchelAnd shining morning face, creeping like snailUnwillingly to school. And then the lover,Sighing like furnace, with a woeful balladMade to his mistress' eyebrow. Then a soldier,Full of strange oaths and bearded like the pard,Jealous in honour, sudden and quick in quarrel,Seeking the bubble reputationEven in the cannon's mouth.
Szafir, Stuffer, Sohail, & Gleicher 2016
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Important TextsShe: A History of Adventure: 15 chapters
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Large Digitized Collections Google N-Grams: 5,195,769 books
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Position
Area
Length/Height
Value/Lightness
Color
Orientation
A
B
A
A B
A B
More Effective
Less Effective
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Position
Area
Length/Height
Value/Lightness
Color
Orientation
A
B
A
A B
A B
More Effective
Less Effective
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Position
Area
Length/Height
Value/Lightness
Color
Orientation
A
B
A
A B
A B
More Effective
Less Effective
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all the world a stage and all the men and women merely
All the world's a stage,And all the men and women merely players:They have their exits and their entrances,
all the world a stageand all the men and women merely playersthey have their exits and their entrances
Turning texts into sequences
Szafir, Stuffer, Sohail, & Gleicher 2016
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the and i of a
the and i of to
and the of to i
the and to i of
and the to i my
King Henry IV pt. 1
King Henry IV pt. 2
King Henry VI pt. 1
King Henry VI pt. 2
King Henry VI pt. 3
Szafir, Stuffer, Sohail, & Gleicher 2016
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the and i of a
the and i of to
and the of to i
the and to i of
and the to i my
King Henry IV pt. 1
King Henry IV pt. 2
King Henry VI pt. 1
King Henry VI pt. 2
King Henry VI pt. 3
Szafir, Stuffer, Sohail, & Gleicher 2016
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the and i of a
the and i of to
andthe of toi
the and toi of
andthe toi m
King Henry IV pt. 1
King Henry IV pt. 2
King Henry VI pt. 1
King Henry VI pt. 2
King Henry VI pt. 3
Szafir, Stuffer, Sohail, & Gleicher 2016
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King Henry IV pt. 1
King Henry IV pt. 2
King Henry VI pt. 1
King Henry VI pt. 2
King Henry VI pt. 3
Szafir, Stuffer, Sohail, & Gleicher 2016
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Time
Popularity Rank(High to Low) Szafir, Stuffer, Sohail, & Gleicher 2016
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Szafir, Stuffer, Sohail, & Gleicher 2016
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WomenWife
1910 - 1919
Szafir, Stuffer, Sohail, & Gleicher 2016
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Scales matter because
Scales change questions we ask
Scales change representations that work
Scales require multiple perspectives on data
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How we represent data changes the questions we can answer
These questions shift as the available data grows
We can manage scales using two strategies: 1. Harness Human Vision2. Collaborate with Computation
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Statistical methods scale well, but their processes are often opaque
People bring context and expertise, but are slow
How can we combine statistical scalability with contexts from domain expertise?
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Develop new data fusion and machine learning methods for collaborative human-machine perception in remote sensing
Apply methods from unmanned autonomous vehicles domain to SBIRS/OPIR domain
Select targets that share the current profile
Intuitively pushinformation to automation
Query analysts to pull critical missing data
Information Flow
AutomationAnalysts
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Show our system
For 10-15 second frame updates,
human + automation can accurately
classify targets ~3 minutes earlier
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Open Questions
How do we quantify cognitive and perceptual elements of data analysis? How do we make that data actionable?
What do we do with imperfect data?
What factors of models allow people to collaboratively interact with automated models?
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Open Questions
How do we quantify cognitive and perceptual elements of data analysis? How do we make that data actionable?
What do we do with imperfect data?
What factors of models allow people to collaboratively interact with automated models?
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Thank You!
Danielle Albers [email protected]@dalbersszafir
Demos & Papers: http://danielleszafir.comhttp://cmci.colorado.edu/visualab
Funding: National Science FoundationUS Air Force SMCMellon Foundation