Heatmap

A heatmap is a table of numbers, where you substitute the numbers with colored cells. It gives a visual impact to the matrix, what makes it easier to

understand. R proposes several methods to realize your heatmap. The native heatmap() function should satisfy most of your needs. As usual, ggplot2 also

provides great possibilities. Lastly, using the D3heatmap library allows to easily compute interactive heatmaps. Do not miss it!


 

Native Heatmap Function


Levelplot function from lattice


Interactive Heatmap


Using Ggplot2


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