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Title

Addressing multicollinearity in semiconductor manufacturing.

Authors

Chang, Yu-Ching; Mastrangelo, Christina

Abstract

When building prediction models in the semiconductor environment, many variables, such as input/output variables, have causal relationships which may lead to multicollinearity. There are several approaches to address multicollinearity: variable elimination, orthogonal transformation, and adoption of biased estimates. This paper reviews these methods with respect to an application that has a structure more complex than simple pairwise correlations. We also present two algorithmic variable elimination approaches and compare their performance with that of the existing principal component regression and ridge regression approaches in terms of residual mean square and R2. Copyright © 2011 John Wiley & Sons, Ltd.

Subjects

MANUFACTURING processes; SEMICONDUCTORS; REGRESSION analysis; MULTICOLLINEARITY; ESTIMATION theory

Publication

Quality & Reliability Engineering International, 2011, Vol 27, Issue 6, p843

ISSN

0748-8017

Publication type

Academic Journal

DOI

10.1002/qre.1173

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