In this paper the use of multivariate control charts for attribute data is proposed. These charts are based on chi-square statistics. Data from various categories can be summarized into a multivariate statistic, i.e., the chi-square statistic, and then the process can be monitored by plotting this statistic on a control chart. A numerical example is provided.
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Holmes, D. & Mergen, A. E. (2006). Multivariate control charts for attribute data. Paper presented at the 2006 Northeast Decision Sciences Institute Annual Meeting, Caribe Hilton San Juan, San Juan, PR, 30 March - 1 April (pp. 500-505).
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Presented at the 2006 Northeast Decision Sciences Institute Annual Meeting Proceedings, San Juan, Puerto Rico, March 30 - April 1, 2006.
Copyright 2006 The Authors
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