This tutorial from Flowing Data, provides a detailed guide on creating bubble charts using the software provided.
The tutorial covers how to create the variety of bubble chart that is like a scatterplot with a third, bubbly dimension.
The advantage of this chart type is that it lets you compare three variables at once. One is on the x-axis, one is on the y-axis, and the third is represented by area size of bubbles. Have a look at the final chart to see what we're making.
Below is the bubble chart that was created from the tutorial.
Source: Yau (2010)
Sources
Yau, N. (2010). How to make bubble charts. Retrieved from http://flowingdata.com/2010/11/23/how-to-make-bubble-charts/
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