Abstract Details
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Activity Number:
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247
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Type:
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Contributed
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Date/Time:
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Monday, August 4, 2014 : 2:00 PM to 3:50 PM
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Sponsor:
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Quality and Productivity Section
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Abstract #312143
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Title:
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Determination of Variables Affecting Multivariate Process Variability in Phase I
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Author(s):
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Youn-Min Chou*+ and Robert Mason
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Companies:
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University of Texas at San Antonio and Southwest Research Institute
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Keywords:
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generalized variance ;
multivariate process
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Abstract:
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When monitoring multivariate process variability, a scatter ratio of two generalized variances has been used as a control chart statistic in a Phase II operation. In this article, we develop a procedure for monitoring process variability in a Phase I operation. Decomposition of the scatter ratio will be studied and used to determine variables that contribute to a change in multivariate process variability in Phase I.
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Authors who are presenting talks have a * after their name.
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