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The process description assumes intermediate knowledge of DesignWise features.

Prerequisites

You will need to reorganize the existing tests in the DesignWise import format. It involves Parameters as columns and Values as rows:

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For this example, we use 8 artificial existing tests which didn’t specify all the values in their documentation.

Process

Next, we proceed with generating the comparison. First, we create the plan with the goal of putting the reformatted dataset above onto the Forced Interactions tab. There are 2 options:  

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Then the answer to the central question of this guide is on the Analysis screen.

Comparison & Conclusions

Remember the dangers of manual selection without the systematic approach? The “good enough” existing suite only covers 48% of 2-way interactions in the system, leaving a significant number of potentially-defect-causing gaps in coverage. 

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