Multiple Comparisons for Mixed Models

Name: Multiple Comparisons for Mixed Models
Brand: VDM Verlag
SKU: 9783639178647
Price: 438.68 RON
Availability: InStock

Concepts, Theoretical Reasons, and Case Studies on Longitudinal and Repeated Measures Data Analysis

Autor: George Zhengzhi Xia

Limbă:

Legare: Carte broșată

Editura: VDM Verlag

Disponibilitate: În depozitul extern

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The assumptions of constant variance and uncorrelated errors that are made in general linear models...

Informații despre carte

Autor

George Zhengzhi Xia

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2009

Pagini

236

EAN

9783639178647

ISBN

3639178645

Enbook ID

06826111

Editura

VDM Verlag

Greutate

349

Dimensiuni

152 x 229 x 14

Descriere completă

The assumptions of constant variance and uncorrelated errors that are made in general linear models often do not hold for longitudinal data, repeated measures, and general mixed models. The traditional multiple comparison (MCP) methods based on the studentized range distribution and multivariate t distribution are exact only under the assumptions of linearity, normality, constant variance, and uncorrelated error. The element of MCPs is often to compare the means of two measures. For the two-sample t test, even a moderate correlation to observations will result in serious bias; this problem definitely carries over to multiplicity-adjusted inferences. The book briefly reviews the background of traditional procedures of MCPs then investigates some MCPs with longitudinal repeated measures. In these cases the sample errors are inflated/deflated because of the correlation among observations, and results in giving incorrect inferences. In this book, we suggest using different ways of dealing with this situation under various mixed models. This book includes full of case studies and gives detailed step by step theoretical explanations.

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Multiple Comparisons for Mixed Models

Concepts, Theoretical Reasons, and Case Studies on Longitudinal and Repeated Measures Data Analysis

Informații despre carte

Descriere completă

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