Title

Effects of Parameter Estimation on Control Chart Properties: A Review

Document Type

Article

Publication Date

10-2006

Publication Title

Journal of Quality Technology

DOI

10.1080/00224065.2006.11918623

ISSN

0022-4065

Abstract

Control chart limits are often calculated using parameter estimates from an in-control Phase I reference sample. In Phase II monitoring, statistics based on new samples are compared with the estimated control limits to monitor for departures from the in-control state. Many studies to evaluate control chart performance in Phase II assume that in-control parameters are known, although it is known that additional variability introduced through parameter estimation affects the performance of the chart. A review of the literature is given that considers the effect of parameter estimation on control chart properties. Recommendations and ideas for future research are given.

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