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Thursday, January 21, 2010

Making a Heatmap

A good piece on constructing your own Heatmap in Flowingdata. Heatmaps are a way to visualize and quickly scan the values and fixed time relationships of many variables. A Good example: The S&P 500 heatmap, a small portion shown at the right. Note how color, size, clustering and clickthrough are effectively used. Good for dashboard-style visualization applications.

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