Mixed two- and four-level fractional factorial split-plot designs with clear effects

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• 作者：Shengli Zhao ; ^{zhaoshli758@126.com} ; Xiangfei Chen
• 关键词：Clear ; Resolution ; Split-plot ; Whole-plot factor ; Sub-plot factor
• 刊名：Journal of Statistical Planning and Inference
• 出版年：2012
• 期刊代码：36_03783758
• 类别：mt
• 出版时间：July, 2012
• 卷：142
• 期：7
• 页码：1789-1793
• 文件大小：161 K

摘要

Mixed-level designs have become widely used in the practical experiments. When the levels of some factors are difficult to be changed or controlled, fractional factorial split-plot (FFSP) designs are often used. It is highly to know when a mixed-level FFSP design with resolution III or IV has clear effects. This paper investigates the conditions of a resolution III or IV FFSP design with both two-level and four-level factors to have various clear factorial effects, including two types of main effects and three types of two-factor interaction components. The structures of such designs are shown and illustrated with examples.