Minimax risk strategy for‎ ‎testing capability

Document Type : Research Paper


1 Department of Statistics, Shahid Bahonar University of Kerman, Kerman, Iran

2 Department of Statistics, Factually of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad, Iran


‎Process capability indices are used widely throughout the world to give a quick indication of a process capability in a format that is easy to use and understand‎. ‎A process capability index $C_p$ that constructed for measuring the quality is an effective tool for assessing process capability‎, ‎since this index can reflect whether a centering process is capable of reproducing items meeting the specifications limits‎. ‎The minimax approach is proposed in this paper for testing capability on the basis of precision index Cp when the producer goal is avoiding the largest possible risk‎. ‎Motivations and benefits of proposing minimax approach are discussed for capability test‎. ‎Also‎, ‎the proposed method clarified by an industrial application.


Main Subjects

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  • Receive Date: 23 September 2021
  • Revise Date: 14 November 2021
  • Accept Date: 28 November 2021
  • First Publish Date: 28 November 2021