Design of Experiments Guide  • Covering Arrays

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Covering Arrays
Detecting Component Interaction Failures
Covering arrays are used in testing deterministic systems where failures occur as a result of interactions among components or subsystems. The design goal is to reveal if any interaction induces a failure in the system. Application areas include software, circuit, and network design.
Since the tests are deterministic, the emphasis driving the design is the need to cover all required interactions. The Covering Arrays platform constructs highly efficient covering arrays. You can also exclude factor level combinations that are not feasible for your testing protocol.
Figure 20.1 Strength 3 Covering Array
Contents 
Overview of Covering Arrays
Example of a Covering Array with No Factor Level Restrictions
Create the Design
Analyze the Experimental Data
Example of a Covering Array with Factor Level Restrictions
Create the Design
Analyze the Experimental Data
Covering Array Window
Factors
Restrict Factor Level Combinations
Design
Metrics
Output Options
The Covering Array Data Table
Covering Array Options
Technical Details for Covering Arrays
Algorithm for Optimize
Formulas for Metrics

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Help created on 3/19/2020