Delicate relations among the basic process capability indices cp, Cpk AND Cpm, AND THEIR MODIFICATIONS
Titel:
Delicate relations among the basic process capability indices cp, Cpk AND Cpm, AND THEIR MODIFICATIONS
Auteur:
Kotz, Samuel Johnson, Norman L.
Verschenen in:
Communications in statistics
Paginering:
Jaargang 28 (1999) nr. 3 pagina's 849-866
Jaar:
1999
Inhoud:
Relations among the 'original' process capability index, Cp:, and the 'second generation' indices, Cpk: and Cpm:, are studied in some detail, with special attention to conditions under which Cpm: is greater, or less, than Cpk:.Similar, though less extensive, analysis is applied in comparing a new index, Cpq:, with Cpm: and Cpk:. There is also a short section describing some features of the structure of Vannman's recently formulated 'unified family' of indices, Cp:(u, v), that includes Cp:, Cpm: and Cpk:.
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