Research Note: Modified Orthogonal Central-Composite Designs
- 1 February 1976
- journal article
- Published by SAGE Publications in Human Factors: The Journal of the Human Factors and Ergonomics Society
- Vol. 18 (1) , 95-98
- https://doi.org/10.1177/001872087601800110
Abstract
Simplified formulae for determining the coded value of α are presentedfor rotatable, blocked orthogonal second–order designs in which all data points are replicated an equal number of times. These three central–composite design parameters are compared, and the advantages and limitations of orthogonal designs are presented.Keywords
This publication has 5 references indexed in Scilit:
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