lec 4

Question 1

Why data visualization?

Answer 1

1-Gain insight into an information space
2-Provide qualitative overview of large data sets
3-Search for patterns, trends, relationships among data

Question 2

Visualization methods:

Answer 2

1-Pixel-oriented 
2-Geometric projection
3-Icon-based
4-Hierarchical
5-Visualizing complex data and relations

Question 3

check all other slides

Answer 3

lec 2 slides