Posts Tagged ‘ Edward Tufte ’

Example 9.16: Small multiples

November 29, 2011
By
Example 9.16: Small multiples

Small multiples are one of the great ideas of graphics visionary Edward Tufte (e.g., in Envisioning Information). Briefly, the idea is that if many variations on a theme are presented, differences quickly become apparent. Today we offer general guida...

Read more »

Here is how to improve your charts, graphs, maps, and…

October 2, 2010
By
Here is how to improve your charts, graphs, maps, and…

Here is how to improve your charts, graphs, maps, and plots: Erase non-data ink. Erase redundant data ink. Maximize the ratio of data to ink. Show data variation, not design variation. The surface area of graphical elements should be directly proportio...

Read more »

extrapolation and interpolation The most important lesson I…

May 25, 2010
By
extrapolation and interpolation
The most important lesson I…

extrapolation and interpolation The most important lesson I learned from this book:  regression is reliable for interpolation, but not for extrapolation.  Even further, your observations really need to cover the whole gamut of causal variables, inter...

Read more »

Example 7.28: Bubble plots

March 22, 2010
By
Example 7.28: Bubble plots

A bubble plot is a means of displaying 3 variables in a scatterplot. The z dimension is presented in the size of the plot symbol, typically a circle. The area or radius of the circle plotted is proportional to the value of the third variable. This c...

Read more »