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arXiv 0907.0512stat.ME
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两水平非正则部分因子设计模型稳健性的最优准则

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

Satoshi Aoki

摘要:

本文给出了非正则两水平部分因子设计模型稳健性的一些最优准则。我们的方法是基于最小化的信息矩阵中的所有非对角元素的平方和,并考虑期望下适当的分布函数的未知污染的相互作用效果。通过考虑对称支撑上的均匀分布,我们的准则可以表示为$B_s(d)$特征的线性组合,用于表征广义最小像差。我们给出了一些12次非正则设计的实证研究来评估我们的方法。

英文摘要:

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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