What makes a good chart?What makes a good chart? Zhang et al. (2010), “A case study of micro-blogging in the enterprise: use, value, and related issues,” Proceedings of the 28th International Conference on Human Factors in Computing Systems. This is from an academic conference paper. What are the problems with this chart?
When a table is better than a chartWhen a table is better than a chart For a few data points, a table can do just as well. The table carries more information in less space and is more precise.
The Ultimate Table: The Box ScoreThe Ultimate Table: The Box Score Large amount of information in a very small space So why does this work? Depends on the reader’s knowledge of the data
The Business Box Score?The Business Box Score? Applying the same concept to our salesforce example. How does this help? How could it hurt? Key: TS – total sales WD – worst day BD – best day NC – number of customers DOR – days on the road
Data InkData Ink Should be ~ 1 < 1 = more non-data related ink in graphic = 1 implies all ink devoted to data Tufte’s principle: Erase ink whenever possible