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Titolo:
A step-down Lenth method for analyzing unreplicated factorial designs
Autore:
Ye, KQ; Hamada, M; Wu, CFJ;
Indirizzi:
SUNY Stony Brook, Dept Appl Math & Stat, Stony Brook, NY 11794 USA SUNY Stony Brook Stony Brook NY USA 11794 Stat, Stony Brook, NY 11794 USA Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA Univ Calif Los Alamos Natl Lab Los Alamos NM USA 87545 amos, NM 87545 USA Univ Michigan, Dept Stat, Ann Arbor, MI 48109 USA Univ Michigan Ann ArborMI USA 48109 , Dept Stat, Ann Arbor, MI 48109 USA Univ Michigan, Dept Ind & Operat Engn, Ann Arbor, MI 48109 USA Univ Michigan Ann Arbor MI USA 48109 Operat Engn, Ann Arbor, MI 48109 USA
Titolo Testata:
JOURNAL OF QUALITY TECHNOLOGY
fascicolo: 2, volume: 33, anno: 2001,
pagine: 140 - 152
SICI:
0022-4065(200104)33:2<140:ASLMFA>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Keywords:
experimentwise error rate; individual error rate; power;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Ye, KQ SUNY Stony Brook, Dept Appl Math & Stat, Stony Brook, NY 11794 USA SUNY Stony Brook Stony Brook NY USA 11794 tony Brook, NY 11794 USA
Citazione:
K.Q. Ye et al., "A step-down Lenth method for analyzing unreplicated factorial designs", J QUAL TECH, 33(2), 2001, pp. 140-152

Abstract

Unreplicated factorial designs are frequently used in industrial experiments. A commonly used method to identify active effects from such experimentsis the half-normal plot. Many formal testing methods have been developed to overcome the subjectivity of using this graphical method. Among them, theLenth (1989) method is simple, yet powerful, as shown by Hamada and Balakrishnan (1998). In this paper, we propose a step-down version of the Lenth method. It is compared via simulation with the original Lenth method and with stepwise methods proposed by Venter and Steel (1998). It is shown that the step-down Lenth method is better than the original Lenth method and the Venter and Steel step-down method. The Venter and Steel step-up method controlled by the same experimentwise error rate has more power, but it also has a higher individual error rate. Critical values used in the step-down Lenth method are provided.

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Documento generato il 07/08/20 alle ore 19:49:32