Database Reference
In-Depth Information
Having two axes enables you to show different scales, but it does mean that
your reader needs to pay attention to the scales when reading the visualiza-
tion. Figure 12-29 shows how the relationships change when using data for all
of Europe. The left axis stays the same, but the values on the right axis do not.
F I g u R e 12 -28
Two axes superimposed
F I g u R e 12 -29
A change in only one axis
