What is a Data Visualization Grammar?

Editor’s note: Robert Kosara is a speaker for ODSC East this April 23–25. Be sure to check out his talk, “A Practical Introduction to Data Visualization for Data Scientists,” there!

There are many ways to create visualizations, between chart choosers, chart wizards, GUI-based tools of various flavors, and of course, many libraries if you’re looking to use code. Many of the latter describe themselves as grammars or grammar-based. But what does that mean?

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