The NYT offers this visualization of the use of names in the presidential primary debates prior to the Iowa caucus.
This is an example of a Circos plot, a visualization tool originally developed for genomic data. The Circos website has numerous examples and details.
The basic idea has now been imported to many relational data. One example uses a computer security data, and offers a technical discussion of "how did he do that" as well.
Discuss: 1) How effective is this for directed paths? 2) Does the density of paths clearly illustrate who is a primary target? 3) Why does the NYT pick the quotes it does and why not others? 4) What would you add as features of this graphic?
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