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2010 January 21
How to Make a Heatmap – a Quick and Easy Solution
A heatmap is a literal way of visualizing a table of numbers, where you substitute the numbers with colored cells. This is a quick way to make one in R.
New FlowingData Book
Data Points
Visualization that Means Something
Available:
Amazon
,
Barnes & Noble
, and
Wiley
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. Contact original authors for everything else.