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	Design Types

Plackett-Burman Designs

Plackett-Burman designs are highly fractional designs that allow you to consider a subset of combinations of up to 47 factors at two levels each. Unlike two level fractional factorial designs, the number of runs in Placket-Burman designs is a multiple of four (rather than only a power of 2), and the number of factors can be up to one less than the number of runs (e.g., an experiment with 16 runs can screen up to 15 factors). Because this design is highly fractional, it is not appropriate for studying interaction effects. The design matrix was developed by Robin L. Plackett and J. P. Burman in 1946.

The following topics describe how to work with Placket-Burman designs, including:

• Creating a Placket-Burman design

• Available Placket-Burman designs

• Placket-Burman design Data tab

• Placket-Burman design analysis results

• Placket-Burman design plots

• Placket-Burman design example