• NEW THREE-LEVEL EXPERIMENTAL DESIGNS FOR QUALITATIVE AND QUANTITATIVE FACTORS
Abstract
Jones and Nachtsheim (2011a) have introduced a class of economical three-level designs for screening quantitative factors in the presence of active second-order effects. In this paper, some new three-level designs are constructed involving both quantitative and qualitative factors using the designs given by Jones and Nachtsheim (2011a). The D- and A-optimal values of these designs are obtained. The relative D-efficiencies of these designs are also computed.
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