1960/11/01 by George E. P. Box, G. E. P. Box, D. W. Behnken · 3 citations
Decision Sciences · #Optimal Experimental Design Methods
paper · doi:10.1080/00401706.1960.10489912
A class of incomplete three level factorial designs useful for estimating the coefficients in a second degree graduating polynomial are described. The designs either meet, or approximately meet, the criterion of rotatability and for the most part can be orthogonally blocked. A fully worked example is included.