Learn how to make the most of Observable JavaScript and ... layers on additional data visualization details in categories like marks (shapes) and scales (how values map to a plot’s coordinate ...

It determines the height of bars in a bar chart, the size of bubbles in a bubble graph, the position of teardrop markers on a map, and so on. Data ... JavaScript port of the Processing ...

Nowadays, data visualization ... axes on graphs or in a legend on maps. People often overlook them, but this information is crucial for putting everything you see in the visualization into context.