This example uses the Hot Dogs.jmp sample data table. The Type column identifies three different types of hot dogs: beef, meat, or poultry. You want to group the three types of hot dogs according to their cost variables.
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Select Analyze > Fit Y by X.
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Click OK.
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From the red triangle menu, select Group By.
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From the list, select Type.
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From the red triangle menu, select Density Ellipse > 0.90.
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To color the points according to Type, proceed as follows:
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Right-click on the scatterplot and select Row Legend.
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The ellipses in Example of Group By show clearly how the different types of hot dogs cluster with respect to the cost variables.