5. 猜一猜
[Image From http://www.michigansoybean.org/]
5
6. 猜一猜
[Image From http://www.michigansoybean.org/]
6
7. Pie Chart vs. Column Chart
W.S. Cleveland, R. McGill, Graphical perception: Theory, experiments and application
To the development of graphical methods, JASA 39, pp. 531-554, 1984
7
29. Three functions of Visualizations
• Record information (记录)
– Photographs, blueprints, …
• Support reasoning about information (analyze) (分析)
– Process and calculate
– Reason about data
– Feedback and interaction
• Convey information to others (present) (演示)
– Share and persuade
– Collaborate and revise
– Emphasize important aspects of data
[Slides from Pat Hanrahan]
29
30. Visualization Discovery Process
“The Purpose of Data Visualization is to Convey Information
to People.”
用户(User)
Pat Haranhan, Stanford
感知和认知
数据 可视化 图像 知识
Perception &
Data Visualization Image Knowledge
Cognition
设置 探索
Specification Exploration
数据(Data) 可视化(Visualization) 用户(User)
可视化发现过程 (Visualization Discovery Process)
30
42. 42
Figure courtesy of the University of Chicago Press. From the American Journal of Sociology, Vol. 100, No. 1.
"Chains of affection: The structure of adolescent romantic and sexual networks," Bearman PS, Moody J, Stovel K.
64. Issues
1. For programmers
2. Rigid syntax
3. Only shows exact matches
4. Too few or too many hits
5. No hint on how to reformulate the query
6. Slow question-answer loop
7. Results returned as table
[Slides from Pat Hanrahan]
64
68. Wordle
Viegas, F. B.; Wattenberg, M. & Feinberg, J. Participatory Visualization with Wordle. IEEE
Transactions on Visualization and Computer Graphics, 2009, 15, 1137-1144.
68
79. Use Today
• Scientific Research
• Regulatory and Legal Communities
• Intelligence Analysis
• DOE and Department of Defense
• Market Assessments
• Capability Analysis -Resumes
• Medical and Pharmaceutical Communities
• National Security and Law Enforcement
• Information Assurance, Web Analytics
• Technology Scanning, Asset and Intellectual Property Management
79
105. • Large Data
• Everyday Visualization
• Visualization on Mobile Devices
• Visualizing Business activity
• Visualizing Emergence Events
• Visualizing Trajectory Data
105