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Mixed-level fractional factorial split-plot designs containing clear effects. (English) Zbl 1410.62154

Summary: Mixed-level designs are 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. This paper investigates the sufficient and necessary conditions for a \({2^{(n_{1}+n_{2})-(k_1+k_2)}4_s^{1}}\) FFSP design with resolution III or IV 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.

MSC:

62K15 Factorial statistical designs
62K05 Optimal statistical designs
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