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Making Lexis Maps in Tableau
Lexis maps (also “Lexis diagrams”) are used mainly by demographers to show population trends over time. Most Lexis diagrams span a hundred years or more for ages 0–100+, resulting in tens of thousands of data points in a single display. Lexis maps can also be used on non-demographic datasets, and this post explains how to create Lexis maps in Tableau Public, a free visualization program that publishes web-based interactive displays that are sharable and embeddable in HTML.