Data visualization is the presentation of data in a pictorial or graphical format. It uses color to display data in many different ways, but the question is how to be reasonable and understandable? According to Robert Simmon, "people aren’t computers. Computer colors are linear and symmetrical, human color perception…
In Kieran Healy’s article, he discussed three obvious problems of data visualization tend to be aesthetic, substantive, and perceptual. An understandable graph always can decode dataset, visualize each variable rationally, and build a well communication to people. The “Monstrous Costs” by Nigel Holmes is an eye-catching graph in graphic…
Definition A box and whisker plot—also called a box plot—displays the five-number summary of a set of data. The five-number summary is the minimum, first quartile, median, third quartile, and maximum.In a box plot, we draw a box from the first quartile to the third quartile. A…