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Assessment of Traditional Demerits and a New Ordinal Alternative

  • Justin R. Chimka EMAIL logo und Qilu Wang
Veröffentlicht/Copyright: 10. Januar 2014
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Abstract

Demerits control is the traditional tool for monitoring defects of different severity with a single chart. It requires arbitrary assignment of numerical values to the ordinal scale and therefore is theoretically flawed. We assess the error rates of demerits control compared to an alternative based on the proportional odds model only to find that it is not more powerful than traditional demerits.

Received: 2013-3-20
Published Online: 2014-1-10
Published in Print: 2013-12-1

©2014 Walter de Gruyter Berlin/Boston

Heruntergeladen am 20.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/eqc-2013-0014/html
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