TU Wien:Informationsvisualisierung VO (Matkovic)/Exam 2022-06-27

Group A

Short questions

• Set-O-Gram (Movie Genres): Describe 2 (sub)graphs of the Drama-bar
• Name 3 things influencing scalability
• Confusion matrix: Name 2 things one can see about the group "T-Shirt"
• Multiple scatter plot with groups: Name a metric usable to differentiate groups

Long question

• Long question: Which problems occur with increasing number of nodes for 3D brain data, how can one solve it. Explain/sketch at least one.

Group B

Short questions

• Set-O-Gram (Movie Genres): Describe the lowest subgraph of 2 bars
• Name 2 methods to avoid overplotting, which don't need preprocessing
• Name 3 general methods to cluster high-dimensional data
• Confusion matrix: Name 2 things one can see about the group "Shirt"

Long question

• Long question: Explain and sketch the concept of force-directed graphs