Database Reference
In-Depth Information
Figure 11-23. Trend Model for “advanced degree or more” versus “% voted for Obama”
Figure 11-24. Significance and strength of correlation for five variables
Another way to show two variables at a time using these shapes is to create a dual-axis bar
chart with the state shapes at the end of the bars, as shown in
Figure 11-25
.
The key to build-
ing this chart is to change the Marks type of the second axis to
Filled Map
, as we did in step
4 when we created the scatterplot.
