Use the Maximum iterations option to specify a maximum number of iterations to be used in optimizing the design.
1.
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Select DOE > Special Purpose > Covering Array.
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2.
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Next to Add N Factors, type 3.
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3.
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4.
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Click Continue.
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5.
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Select Use Disallowed Combinations Filter.
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6.
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Figure 19.20 Completed Restrict Factor Level Combinations Panel
8.
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From the Covering Array red triangle menu, select Set Random Seed.
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9.
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10.
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Click Make Design.
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Figure 19.21 Design and Metrics Outlines
A note beneath the Design outline indicates that one run has a missing setting due to the constraints. That run is run 9. To ensure that the covering array has strength 2, the combination of X1 set to L1 and X3 set to L3 is required. But for these settings, the constraints prohibit all settings for X2.