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A P-value based Approach for Phase II Profile Monitoring


Abstract A P-value based method is proposed for statistical monitoring of various types of profiles in phase II. The performance of the proposed method is evaluated by the average run length criterion under various shifts in the intercept, slope and error standard deviation of the model. In our proposed approach, P-values are computed at each level within a sample. If at least one of the P-values is less than a pre-specified significance level, the chart signals out-of-control. The primary advantage of our approach is that only one control chart is required to monitor several parameters simultaneously: the intercept, slope(s), and the error standard deviation. A comprehensive comparison of the proposed method and the existing KMW-Shewhart method for... (more)
Created Date 2013
Contributor Adibi, Azadeh (Author) / Montgomery, Douglas (Advisor) / Borror, Connie (Advisor) / Li, Jing (Committee member) / Zhang, Muhong (Committee member) / Arizona State University (Publisher)
Subject Engineering / Industrial engineering
Type Doctoral Dissertation
Extent 89 pages
Language English
Copyright
Reuse Permissions All Rights Reserved
Note Ph.D. Industrial Engineering 2013
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis