Besides 3D scatter plots, we can also do 3D bar charts. This again allows us to compare the relationship of three variables rather than just two. 3D bar charts with matplotlib are slightly more complex than your scatter plots, because the bars have 1 more characteristic: depth. Basically, the "thickness" of the bars is also defineable. For most, this will be simply a predetermined set of data, but you can actually use this for one more "dimension" to your plot.

Sample code: http://pythonprogramming.net/3dbarc...

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How to make a 3D bar chart in python.