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4. Two-level fractional plane
4.1 The benefits of this plan
We have seen that the two-level factorial design gives good results with a reduced number of trials. However, when the number of factors studied is high, the number of trials quickly becomes large and unfeasible, especially when the cost of a trial is high. The question is therefore whether it is possible to run fewer trials, even if it means repeating additional trials to confirm a result if necessary.
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Two-level fractional plane
Plan according to Scheffé's Simplex networks
Bibliography
Text references
Software
(Non-exhaustive list)
Nemrod, logiciel construit à LPRAI, Université d'Aix-Marseille http://www.nemrodw.com
Sas, Editor Institute
Spad, DECISIA/SPAD https://www.test-and-go.com/fr/ct
Splus,...
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