Visual encoding should express all of, and only, the information in the dataset
Ordered data should be shown in a way we perceive as ordered
Match channel and data characteristics
Effectiveness
Encode most important attributes with highest ranked channels
[Automating the Design of Graphical Presentations of Relational Information. Mackinlay. ACM Trans. on Graphics (TOG) 5:2 (1986), 110–141]
Where does the ranking come from?
Accuracy
Discriminability
Separability
Popout
Reusable components on D3
Marks and Channels
Visual Analytics Framework
John Alexis Guerra Gómez| ja.guerrag[at]uniandes.edu.co| @duto_guerraJose Tiberio Hernández | jhernand[at]uniandes.edu.coUniversidad de los Andes
http://johnguerra.co/lectures/visualAnalytics_fall2018/03_Marks_and_channels/
Based onslides from Tamara Munzner