Please Read:

• Chapter 4 "Analysis: Four Levels for Validation"
• Chapter 5 "Marks and Channels"
  
  • Please do a detailed reading of this particular chapter.
  • This is one of the most interesting and meaningful topics in data visualization.

Please watch: the videos nested under this entry in the Modules listing.

Please Read/Skim:

• Automating the Design of Graphical Presentations of Relational Information by Jock Mackinlay (PDF) Links to an external site.
  This seminal paper from 1986 shows a slightly different angle on the Marks and Channels concept, particularly the rankings. Please pay special attention to figures 14 and 15. This work eventually became Tableau Links to an external site..
• A Layered Grammar of Graphics Links to an external site.
  This 2010 paper describes the underpinnings of the highly influential R package ggplot2.
• Vega-Lite: A Grammar of Interactive Graphics Links to an external site.
  This 2017 paper describes the Vega-Lite system, which we'll be using this week in the assignment.
• Effective Chart Design Links to an external site.
  A guide for choosing the right visualization.

If you did get a copy of "Semiology of Graphics"

• Have a look through Chapter II. "The Properties of the graphic system". I recommend speed-reading this in the first pass, spending a few seconds on each page and taking in all the graphics.