Experimental Design - Math Site
Experimental Design - Math Site
Experimental Design - Math Site
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Mixtures and Scheffé <strong>Design</strong>s• One area where one can encounter problems is inthe optimal design of mixtures, because thephysical requirement that the sum of all the massfractions must be one reduces the rank of the Xmatrix• The way around this and the way to approachexperimental design is due to Scheffé**H. Scheffé, ”Experiments with mixtures”, J. Roy. Statist. Soc, B20, 344-360 (1958), andH. Scheffé “The simplex-centroid design for experiments with mixtures”, J. Roy. Statist. Soc.,B25, 235- 263 (1963)CEI Inc.