A note on a multivariate analogue of the process capability index C_p
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Date
1998
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Universitätsbibliothek Dortmund
Abstract
A simple method is given to calculate the multivariate process capability index C_p* 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 C_p-value to determine the capability of a process.