U2.06
Bubble charts and a third dimension
Cards in this group · 5
- U2.06.1Bubbles carry a third variable on the least precise common channel
- U2.06.2Map values to bubble area, not radius
- U2.06.3Big bubbles occlude small ones; draw in size order and lower opacity
- U2.06.4Bubble size needs a reference-bubble legend
- U2.06.5Precise third-variable comparison belongs in facets or a separate chart