Visualizing multiple axes to compare different measures

Often, you'll need to use more than one axis to compare different measures, understand correlation, or analyze the same measure at different levels of detail. In these cases, you'll use visualizations with more than one axis.

Scatterplot

A scatterplot is an essential visualization type for understanding the relationship between two measures. Consider a scatterplot when you find yourself asking questions like the following:

• Does how much I spend on marketing really make a difference on sales?
• How much does power consumption go up with each degree of heating/cooling?
• Is there any correlation between hours of study and test performance?

Each of these questions...