Lecture 14
Cornell University
INFO 3312/5312 - Spring 2025
March 13, 2025
Image credit: Edward Tufte
Above all else show the data.
Source: The Visual Display of Quantitative Information, ch 1
Goal is to maximize the data-ink ratio
\[\text{Data-ink ratio} = \frac{\text{data-ink}}{\text{total ink used to print the graphic}}\]
Proportion of a graphic’s ink devoted to the non-redundant display of data-information
What parts of a graph are data-ink?
ae-13
Instructions
Redesign a boxplot to maximize the share of data-ink and reduce unnecessary duplication
Graphical decorations that do not improve the viewer’s understanding of the data