Quick and Easy Analysis of Unreplicated Factorials

Box and Meyer (1986) introduced a method for assessing the sizes of contrasts in unreplicated factorial and fractional factorial designs. This is a useful technique, and an associated graphical display popularly known as a Bayes plot makes it even more effective. This article presents a competing te...

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Bibliographic Details
Published in:	Technometrics Vol. 31; no. 4; pp. 469 - 473
Main Author:	Lenth, Russell V.
Format:	Journal Article
Language:	English
Published:	Alexandria, VI Taylor & Francis Group 01-11-1989 Milwaukee, WI The American Society for Quality Control and The American Statistical Association American Society for Quality Control American Statistical Association
Subjects:	Contour lines Degrees of freedom Exact sciences and technology Experimental design Factorials Fictitious names Mathematics Probability and statistics Quality assurance Sciences and techniques of general use Standard error Statistics Factorial design Variance analysis Contrast Graphic plotting Analysis
Online Access:	Get full text
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Summary:	Box and Meyer (1986) introduced a method for assessing the sizes of contrasts in unreplicated factorial and fractional factorial designs. This is a useful technique, and an associated graphical display popularly known as a Bayes plot makes it even more effective. This article presents a competing technique that is also effective and is computationally simple. An advantage of the new method is that the results are given in terms of the original units of measurement. This direct association with the data may make the analysis easier to explain.
ISSN:	0040-1706 1537-2723
DOI:	10.1080/00401706.1989.10488595