To add a signal factor to an existing static design
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1    Choose Stat > DOE > Modify Design.

2    Choose Add signal factor. Click Specify.

3    If you like, in the signal factor table under Name, click in the first row and type the name of the signal factor.

4    Under Level Values, enter the levels of the signal factor. You must enter at least two distinct values. Click OK.

Note

You can also specify signal factor levels using a range and increments. You can specify a range by typing two numbers separated by a colon. For example, 1:5 displays the numbers 1, 2, 3, 4, and 5. You can specify an increment by typing a slash "/" and a number. For example, 1:5/2 displays every other number in a range: 1, 3, and 5.