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A note on a multivariate analogue of the process capability index Cp

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  • Jessenberger, Jutta
  • Weihs, Claus

Abstract

A simple method is given to calculate the multivariate process capability index Cp * as defined by Taam et al. (1993) and discussed by Kotz & Johnson (1993). It is shown that using this index is equivalent to using the smallest univariate Cp -value to determine the capability of a process.

Suggested Citation

  • Jessenberger, Jutta & Weihs, Claus, 1998. "A note on a multivariate analogue of the process capability index Cp," Technical Reports 1998,07, Technische Universität Dortmund, Sonderforschungsbereich 475: Komplexitätsreduktion in multivariaten Datenstrukturen.
    • Handle: RePEc:zbw:sfb475:199807
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    File URL: https://www.econstor.eu/bitstream/10419/77201/2/1998-07.pdf
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    References listed on IDEAS

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    1. Samuel Kotz & Wen Lea Pearn & N. L. Johnson, 1993. "Some Process Capability Indices are More Reliable than One Might Think," Journal of the Royal Statistical Society Series C, Royal Statistical Society, vol. 42(1), pages 55-62, March.
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