Design of Experiments Guide • Full Factorial Designs • Creating a Factorial Design
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Creating a Factorial Design
To start a full factorial design, select DOE > Full Factorial Design, or click the Full Factorial Design button on the JMP Starter DOE page. Then, follow the steps below:
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Enter Responses and Factors
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Select Output Options
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Make the Table
Enter Responses and Factors
The steps for entering responses are outlined in Responses in Custom Designs
The steps for entering factors in a full factorial design are unique to this design. To add factors, see Entering Factors in a Full Factorial Design.
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To enter factors, click either the Continuous button or the Categorical button and select the number of levels.
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Double-click to edit the factor name.
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Click to enter values or change the level names.
Entering Factors in a Full Factorial Design
When you finish adding factors, click Continue.
Select Output Options
Use the Output Options panel to specify how you want the output data table to appear, as illustrated in Output Options Panel:
Output Options Panel
Run Order gives options to designate the order you want the runs to appear in the data table when it is created. Choices are:
Keep the Same
the rows (runs) in the output table will appear in the standard order.
Sort Left to Right
the rows (runs) in the output table will appear sorted from left to right.
Randomize
the rows (runs) in the output table will appear in a random order.
Sort Right to Left
the rows (runs) in the output table will appear sorted from right to left.
Add additional points to the data table with these options:
Number of Center Points
Specifies how many additional runs to add as center points to the design. A center point is a run that is located in the center of the range of each continuous factor.
Number of Replicates
Specify the number of times to replicate the entire design, including center points. Type the number of times you want to replicate the design in the associated text box. One replicate doubles the number of runs.
Make the Table
When you click Make Table, the table shown in Factorial Design Table appears.
Factorial Design Table
The name of the table is the design type that generated it.
Run the Model script to fit a model using values in the design table.
Values in the Pattern column describe the run each row represents.
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For continuous factors, a plus sign represents high levels.
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For continuous factors, a minus sign represents low levels.
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Level numbers represent values of categorical factors.