Cells or bins are colored based on data. As with all visualization types that use color as the main visual encoding, choose shades carefully.
Heatmaps quickly translate data tables into a visual form, making them a great tool to explore a new dataset.
Using color as the visual encoding, show changes over time in two dimensions.
Things have a way of repeating themselves, and it can be useful to highlight these patterns in data.
Add interaction so that you can show different segments of the data and allow comparisons.
You saw how to make basic heat maps a while back, but you might want more flexibility for a specific data set. Once you understand the components of a heat map, the rest is straightforward.
The familiar but underused layout is a good way to look at patterns over time.
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xkcd poked fun at the sometimes questionable color choices of researchers.…
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Ranking countries by medal count change depending on how much value you place…
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Reddit user desfirsit made heatmaps to show where on the chess board pieces…
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30 is the new 20. Wait. 40 is the new 20. No, scratch…
From the teenage years to college to adulthood through retirement, sleep is all over the place at first but then converges towards consistency.
For National Geographic, Kennedy Elliot made a series of heatmaps that show the…
"So how'd you two meet?" There's always a story, but the general ways people meet are usually similar. Here are the most common.
There's a space on the basketball court called "mid-range." It's actually not off-limits. In fact, people used to shoot these so-called "mid-range" shots.
This interactive heatmap by Jonas Schöley shows mortality rates by age. Just use…
