The single biggest problem in communication is the illusion that it has taken place.
George Bernard Shaw
Good graphics are informative, effective and flexible. Graphics can be attractive and encourage discussion, they can be more insightful and convincing than text. They are fairly easy to explain to others, often easier to explain than the results of statistical analyses. There is every reason to use them more in data analysis.
With the benefit of hindsight, Graphical Data Analysis is simple, you just show the information contained in the data. In practice that is less straightforward than it sounds, you first have to find out what information is there. The approach described in this book recommends ...