Thursday, July 24, 2008

STAR PLOT

This image is an example of a Star Plot of automobile data and includes 12 numeric variables in the automobile data. Each star represents one car model and each ray in the star is proportional to one variable.

Star Plots are a type of geovisualization that allow you to compare multiple variables for each observation. Each observation is represented as a star-shaped figure with one ray for each variable. A legend often accompanies a Star Plot to identify what the variables are and in what location (or on what ray) each variable is represented (though a legend is not provided in this blog).

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