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deep-divejun 02 2026 · 7 min read

The heatmap that lies (and how to fix it)

A linear color scale will flatten your data into a uniform smear. Here is why a log/quantile scale is the only honest choice for activity heatmaps.

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A linear color scale will flatten your data into a uniform smear. Here is why a log/quantile scale is the only honest choice for activity heatmaps.

datavizcode

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