Confidence Intervals and an Improved Ridge Analysis of Response Surfaces
作者:
WalterH. Carter,
VernonM. Chinchilli,
RaymondH. Myers,
EleanorD. Campbell,
期刊:
Technometrics
(Taylor Available online 1986)
卷期:
Volume 28,
issue 4
页码: 339-346
ISSN:0040-1706
年代: 1986
DOI:10.1080/00401706.1986.10488152
出版商: Taylor & Francis Group
关键词: Eigenvalues;Constrained optimum;Ill-conditioning
数据来源: Taylor
摘要:
The user of RSM techniques gains considerable insight into the nature of the stationary point and the nature of the underlying response surface from estimates of the eigenvalues of the matrix of pure and mixed quadratic regression coefftcients,B. This article presents and illustrates methodology for constructing conservative confidence limits on the eigenvalues of this matrix as well as the mean response at a constrained optimum. When a confidence interval about an eigenvalue ofBincludes zero, a change in the strategy of analysis is required; one is suggested and illustrated.
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