Chapter 15
Augmented Designs
If you treat experimentation as an iterative process, you can master the temptation to assume that one successful screening experiment has optimized your process. You can also avoid disappointment if a screening experiment leaves behind some ambiguities. The augment designer helps facilitate experimentation as an iterative process.
The augment designer modifies an existing design data table, supporting your iterative process. It gives the following five choices:
• replicate the design a specified number of times
• add center points
• create a foldover design
• add axial points together with center points to transform a screening design to a response surface design
• add runs to the design using a model that can have more terms than the original model
This chapter provides an overview of the augment designer. It also presents a case study of design augmentation.
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