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Supersaturated Designs




About Supersaturated Design

In industrial, biological and agricultural experiments, there occur experimental situations where a large number of factors are to be tested but only few of the factors are active. In such experiments, the experimenter’s endeavour is to minimize the number of runs to identify the active factors for efficient utilization of resources and minimization of cost and time. Because of their run size economy, these designs can be broadly exploited to screen active factor main effects when experimentation is expensive and the number of factors is large.

Definition: A Supersaturated Design (SSD) is essentially a fractional factorial design in which the degrees of freedom for all its main effects and the intercept term exceed the total number of distinct factor level combinations of the design. SSDs are also fractional factorial designs of which the numbers of columns for allocating factors are greater than those for ordinary orthogonal designs.

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Last updated on 18 October, 2011

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