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Analyzing a Plackett-Burman Design

The Plackett-Burman design is available complete with response values on the ADX desktop. Close the design you just created and open the design named Die Cast.

The analysis strategy is as follows:

• Examine a main-effects plot to see which main effects are active.
• Examine scatter and box plots to visualize response distributions at different factor levels.
• Apply a variety of effect selection methods to determine which factors significantly affect lifetime.

Exploring the Response Data

Finding Significant Effects

Automatic Selection Methods