This chapter focuses on the histories and analytic principals for nine traditional lineages in visualization and information graphics as follows: timekeeping, space-making, administration and record-keeping, knowledge trees, knowledge generators, dynamic systems, visualizing uncertainty and interpretive cartography, and humanistic methods.1.       Timekeeping – some of the earliest calendars organized around 360 days…

http://www.jjg.net/elements/pdf/elements.pdf…

blog/lecture by Robert Simmon (below summary) by Suzanna SchmeelkThe OpenViz lecture by Robert Simmon was very good.  I was particularly fascinated by the different color pallets available to programmers: LCH versus RGB and others.  LCH has a richer transition of color choices and can quite nicely be paired against…

The essay examines the guideline of the "principle of proportional ink" (closely tied to misleading axes) and defined as “when a shaded region is used to represent a numerical value, the area of that shaded region should be directly proportional to the corresponding value.”  This idea was derived in Edward…

This is a tale of two visualizations --- one honest and one dishonest.  According to the article, the bar chart was created by the German economic development agency GTAI.  The article claims that bar charts should start at zero; however, line graphs do not need to do so.   These graphs…

This work examines the importance of visualizing data.  A visualizing exercise by Jan Vanhove (2016) shows 16 graphs of data.  The graphs quickly show the viewer details about the data such as skew, outliers, trends, residuals, and categories.  The same data represented in a table may not as easily tell…