Selecting significant effects in factorial designs: Lenth's method versus using negligible interactions

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/130367

Title:	Selecting significant effects in factorial designs: Lenth's method versus using negligible interactions
Author:	Xampeny Solani, Rafael; Grima Cintas, Pedro; Tort-Martorell Llabrés, Xavier
Other authors:	Universitat Politècnica de Catalunya. Departament d'Estadística i Investigació Operativa; Universitat Politècnica de Catalunya. ADBD - Anàlisi de Dades Complexes per a les Decisions Empresarials
Abstract:	Among the many analytical techniques that have been published to analyze the significance of the effects in the absence of replications, two have emerged as the most widely used in text books as well as statistical software packages: The Lenth's method and the estimation of the variance of the effects from the values of those considered negligible. This article shows that neither is better than the other in all cases, and by analyzing the results obtained in a wide variety of situations it provides guidelines on when it is preferable to use one or the other technique
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Matemàtiques i estadística::Estadística matemàtica -Mathematical statistics -Statistics--Methodology -Sampling (Statistics) -Effects significance -factorial design -Lenth's method -negligible interactions -statistical software -Estadística matemàtica -Estadística -- Metodologia -Mostreig (Estadística)
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Submitted version Article
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