A Simple Trick That Will Make Heatmaps More Elegant

Heatmaps often make data analysis much easier. Yet, they can be further enriched with a simple modification.

A traditional heatmap represents the values using a color scale. Yet, mapping the cell color to numbers is still challenging.

Embedding a size component can be extremely helpful in such cases. In essence, the bigger the size, the higher the absolute value.

This is especially useful to make heatmaps cleaner, as many values nearer to zero will immediately shrink.

In fact, you can represent the size with any other shape. Below, I created the same heatmap using a circle instead:

Find the code for this post here: GitHub.

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