Class

Tufte's Data-ink ratio

• Tufte, Data-Ink Ratio (Canvas)
• S. Bateman et al., Useful Junk? The Effects of Visual Embellishment on comprehension and memorability of charts, CHI'10
• Thomas Haslwanter, An Introduction to Statistics: basic principles
• The Best Stats You've Ever Seen | Hans Rosling

More on colors

• Beginning Graphic Design: Color
• Your Friendly Guide to Colors in Data Visualisation
• YYiki: Color

Chartjunk

Chartjunk has attracted some interests in academia, particularly about their effect on memorability or engagement. - Bateman et al., Useful junk?: the effects of visual embellishment on comprehension and memorability of charts - Borkin et al., What Makes a Visualization Memorable?

Design

• The Non-Designer's Design Book by Robin Williams concisely and easily explains some of the most fundamental design principles.
• 99% invisible is a podcast about "invisible" designs that surround us. It is one of the most fascinating podcast.

Data visualization zoo

• A tour through the visualization zoo
• The Grammar of Graphics

Sparkline

Sparkline is a nice, minimalistic visualization technique that fits perfectly with E. Tufte's minimalism. It is useful when you want to communicate general trends and shapes of many timeseries quickly, particularly within a text. For instance, FiveThirtyEight uses it to display the historical primary endorsement trends in the text.