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Theory & Methods: Response Surface Designs Where Levels of Some Factors are Difficult to Change
Author(s) -
Draper N.R.,
John J.A.
Publication year - 1998
Publication title -
australian and new zealand journal of statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.434
H-Index - 41
eISSN - 1467-842X
pISSN - 1369-1473
DOI - 10.1111/1467-842x.00052
Subject(s) - sphericity , mathematics , variance (accounting) , surface (topology) , cube (algebra) , star (game theory) , statistics , combinatorics , geometry , mathematical analysis , business , accounting
This article considers response surface designs in which the number of levels of some of the factors are constrained. Two general types of designs are examined: CUBE designs and STAR designs. The specific factor levels are chosen to give variance contours with a high level of sphericity, thus providing designs that are close to rotatable.
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