Star Plot maps are valuable tools that help to visualize comparisons of multiple variables for each observation. In the star plot example below of 1979 automobiles, the data of 16 cars is plotted. Each line plotted represents a different feature found in every car and the length of the line represents the quality of that particular set of data. These features are aspects such as price, mileage, and weight to name a few. These star plots can be observed individually, or they may be observed as a group so that common characteristics can be compared. The separate spokes representing quantities are equal-angular and are called radii. The plot gets its star-like appearance when lines are drawn connecting values.
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