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Exploring Data in Three Dimensions

Exploring Data in Three Dimensions

SAS/INSIGHT software provides rotating plots, surface plots, and contour plots for exploring data in three dimensions. A rotating plot is a three-dimensional scatter plot, so it shows a graphic representation of the relationship among three interval variables. A surface plot is a rotating plot with a surface that models a third variable as a function of two other variables. A contour plot shows how the values of one variable may depend on the values of two other variables.

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Figure 6.1: A Rotating Plot, Surface Plot, and Contour Plot

Rotating Plots

Rotating Plot with Fitted Surface

Contour Plots

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