A review and interpretations of process capability indices
β Scribed by K. Palmer; K.-L. Tsui
- Book ID
- 110380637
- Publisher
- Springer US
- Year
- 1999
- Tongue
- English
- Weight
- 183 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0254-5330
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## Summary **A review of the four basic process capability indices has been made. The interrelationship among these indices has been highlighted. Attention has been drawn to their drawbacks. The relation of these indices to the proportion nonconforming has been dwelt upon and the requirement of th
When the distribution of a process characteristic is non-normal, C p and C pk calculated using conventional methods often lead to erroneous interpretation of the process's capability. Though various methods have been proposed for computing surrogate process capability indices (PCIs) under non-normal
Process capability indices are useful for assessing the capability of manufacturing processes. Most traditional methods are obtained from the frequentist point of view. We view the problem from the Bayes and empirical Bayes approaches by using non-informative and conjugate priors, respectively.