Outliers, Expertise and Interpolation Tim Brock / Tue, Jun 30, 2015 While writing my recent articles on slopegraphs I became intrigued by the unusual shapes of some of the population curves of the countries and decided to read around the subject a bit. It was through...
An Introduction to Slopegraphs - Part 2 Tim Brock / Mon, Jun 8, 2015 In my previous post I looked at showing changes in time using slopegraphs. This was done with reference to changes in population for thirteen of the G20 nations between 1960 and 2013. However, slopegraphs...
An Introduction to Slopegraphs - Part 1 Tim Brock / Wed, Jun 3, 2015 When discussing the origin of the slopegraph, the go-to reference seems to be Edward Tufte's "The Visual Display of Quantitative Information" . On page 159 (of the second edition) he introduces a chart...