Lecture Monday 28 March 2005

Visualization of text data

ThemeRiver
Reminds me of babynamewizard
http://babynamewizard.com/namevoyager/lnv0105.html

Indicates a growth of newsfeeds with certain events. That there's more text.

Jon: frustrated with the neglect of some dimentions

Kohonen maps (SOM)


Pratt's DynaCat (1997):
approach is to establish predefined questions
then generate dynamic categories--hierarchical categories