Geoplots
Geological plots are a great way to visualize geospatial data. Choropleth maps can be used to compare quantitative values for different countries, states, and so on. If you want to show connections between different locations, connection maps are the way to go.
Dot Map
In a dot map, each dot represents a certain number of observations. Each dot has the same size and value (the number of observations each dot represents). The dots are not meant to be counted; they are only intended to give an impression of magnitude. The size and value are important factors for the effectiveness and impression of the visualization. You can use different colors or symbols for the dots to show multiple categories or groups.
Use
To visualize geospatial data.
Example
The following diagram shows a dot map where each dot represents a certain amount of bus stops throughout the world:
Figure 2.39: Dot map showing bus stops worldwide
Design Practices
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