Some optimal criteria of model-robustness for two-level non-regular fractional factorial designs

Details Some optimal criteria of model-robustness for two-level non-regular fractional factorial designs Some optimal criteria of model-robustness for two-level non-regular fractional factorial designs

2009-07-03

arxiv.org/abs/0907.0512v2

Statistics

Methodology

18 pages

Scientific paper

We present some optimal criteria to evaluate model-robustness of non-regular two-level fractional factorial designs. Our method is based on minimizing the sum of squares of all the off-diagonal elements in the information matrix, and considering expectation under appropriate distribution functions for unknown contamination of the interaction effects. By considering uniform distributions on symmetric support, our criteria can be expressed as linear combinations of $B_s(d)$ characteristic, which is used to characterize the generalized minimum aberration. We give some empirical studies for 12-run non-regular designs to evaluate our method.

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