Biometrika · 1976 · 11 citations · 8 references
Social SciencesEconomicsEconometricsExperimental DesignMicroeconomicsFactor AnalysisFactorial DesignsMain EffectsTwo-level Factorial DesignsUnbalanced Factorial Designs
A general class of serial factorial designs is defined in which direct effects are orthogonal to first residual effects. Conditions are established under which first residual effects are also orthogonal to direct × first residual interaction. Results are applied to existing designs.
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J. A. Nelder · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1965 · 191 citations