Slopegraph – In General and in R


  • Suppose you have a table of two columns) and that you want to show graphically how the (two) elements of each row correspond in terms of value. A Slopegraph is useful in this context.
  • The originator, Edward Tufte (, says ( “Slopegraphs compare changes over time for a list of nouns located on an ordinal or interval scale.”  Basically: Any time you’d use a line chart to show a progression of univariate data among multiple actors over time, you might have a good candidate for a slopegraph.  But some people have found it useful beyond this context.


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