Have seen them often, but was unaware of the term. Most packages today support them, from Tableau to Python to R. I like the simplicity. In ForumOne:" ... Slopegraphs are a great means for comparing data point, often between two points in time, but also on other dimensions. As Andy Kirk says, “The typical application for using a slopegraph is for a before and after story.” They plot two data points, or sets of pairs of data points, on parallel, vertical scales, connecting each pair by a line. The slope of the line shows the degree of difference between each side of the pair.
Slopegraphs are creations of Edward Tufte, who first introduced one in his 1983 book The Visual Display of Quantitative Information. It seems they were little used for some time, but have recently re-emerged. ... "
No comments:
Post a Comment