Orthogonal Main-Effect Plans for Asymmetrical Factorials
- 1 May 1979
- journal article
- research article
- Published by JSTOR in Technometrics
- Vol. 21 (2) , 269
- https://doi.org/10.2307/1268528
Abstract
Resolution III designs for 43·2 m experiments are constructed. These plans are available in 4 n runs, where n is a multiple of four, and permit estimation of all main-effects orthogonally. Once the plans for 43·2 m experiments are obtained, one can get orthogonal main-effect plans for experiments of the type 4 r 3 s 2 m by collapsing the levels of one or more four-level factors.Keywords
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