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Journal of the Korean Society for Quality Management > Volume 29(3); 2001 > Article
Journal of the Korean Society for Quality Management 2001;29(3): 124-.
전자부품 검사에서 대용특성을 이용한 사례연구
이종설1, 윤원영2
1LG전자
2부산대학교 산업공학과 (기계기술연구소)
A Case Study on Electronic Part Inspection Based on Screening Variables
ABSTRACT
In general, it is very efficient and effective to use screening variables that are correlated with the performance variable in case that measuring the performance variable is impossible (destructive) or expensive. The general methodology for searching surrogate variables is regression analysis. This paper considers the inspection problem in CRT (Cathode Ray Tube) production line, in which the performance variable (dependent variable) is binary type and screening variables are continuous. The general regression with dummy variable, discriminant analysis and binary logistic regression are considered. The cost model is also formulated to determine economically inspection procedure with screening variables.
Key Words: Screening variable;Performance variable;Inspection;Regression;Discriminant analysis;
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