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• How do we plot events that happen over time? Monday, April 11, 2011
• How do we plot events that happen over time?
Monday, April 11, 2011
Streamgraphs
Monday, April 11, 2011
For example...
• Tweets containing hashtags e.g. #atcal, #music, #justinbieber, etc
Monday, April 11, 2011
Visualization Question
• What happens if tags co-occur, i.e. the sets are not disjoint?
Monday, April 11, 2011
Monday, April 11, 2011
Generalization of Streamgraphs to sets
Monday, April 11, 2011
Monday, April 11, 2011
• Heavy amount of research work done in creating area-proportional Euler diagrams
Monday, April 11, 2011
DataCreate
proportional areas
Image Label Image
Creating proportional areas only part of the problem for effective communication
Monday, April 11, 2011
Naive Solution
• consider set of 6 tweets
2
4
1
3
5
6
1
4
2
5
3
6
Monday, April 11, 2011
Monday, April 11, 2011
Other design principles....
• Color of charts: darker = more overlap
Monday, April 11, 2011
Application Areas
• other datasets... Ideas?
Monday, April 11, 2011
References
• Lee Byron and Martin Wattenberg, “Stacked Graphs - Geometry and Aesthetics”
Monday, April 11, 2011
