Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application

Objective: The aim of the study was to examine log-linear analysis and correspondence analysis by an application with regard to advantages and disadvantages of the two methods.Material and Method: In this study, we used an artificial data set, which is expanded without changing its nature, from a st...

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Main Authors: Ersin Öğüş, Ayşe Canan Yazıcı
Format: Article
Language:English
Published: Galenos Publishing House 2011-06-01
Series:Balkan Medical Journal
Subjects:
Online Access:http://balkanmedicaljournal.org/text.php3?id=744
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author Ersin Öğüş
Ayşe Canan Yazıcı
author_facet Ersin Öğüş
Ayşe Canan Yazıcı
author_sort Ersin Öğüş
collection DOAJ
description Objective: The aim of the study was to examine log-linear analysis and correspondence analysis by an application with regard to advantages and disadvantages of the two methods.Material and Method: In this study, we used an artificial data set, which is expanded without changing its nature, from a study conducted in Medical Faculty of Baskent University, Infectious Disease and Clinical Microbiology Department. Relations and interactions between variables and among sub-categories have been investigated with log linear and correspondence analysis. Results: It has been shown that when the assumptions of log-linear analysis were not available, better understanding of the data set could be obtained by correspondence analysis (CA). However, conclusions about the data may not be generalized in a confidence interval to the population by CA. In addition, in log-linear analysis, it is possible to make inferences about the population on the basis of sample data. The other important result obtained from the study was that some of the relations between the same variable categories could be detected by CA, which is not possible with log-linear analysis.Conclusion: As a result, we suggest the complementary use of log-linear analysis and correspondence analysis for detailed results.
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spelling doaj.art-21af03cea7524f96b0bd144d2d4878612023-02-15T16:14:00ZengGalenos Publishing HouseBalkan Medical Journal2146-31232146-31312011-06-012802143147Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical ApplicationErsin ÖğüşAyşe Canan YazıcıObjective: The aim of the study was to examine log-linear analysis and correspondence analysis by an application with regard to advantages and disadvantages of the two methods.Material and Method: In this study, we used an artificial data set, which is expanded without changing its nature, from a study conducted in Medical Faculty of Baskent University, Infectious Disease and Clinical Microbiology Department. Relations and interactions between variables and among sub-categories have been investigated with log linear and correspondence analysis. Results: It has been shown that when the assumptions of log-linear analysis were not available, better understanding of the data set could be obtained by correspondence analysis (CA). However, conclusions about the data may not be generalized in a confidence interval to the population by CA. In addition, in log-linear analysis, it is possible to make inferences about the population on the basis of sample data. The other important result obtained from the study was that some of the relations between the same variable categories could be detected by CA, which is not possible with log-linear analysis.Conclusion: As a result, we suggest the complementary use of log-linear analysis and correspondence analysis for detailed results.http://balkanmedicaljournal.org/text.php3?id=744Correspondence analysislog-linear analysisinertiasaturated modelsunsaturated model
spellingShingle Ersin Öğüş
Ayşe Canan Yazıcı
Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application
Balkan Medical Journal
Correspondence analysis
log-linear analysis
inertia
saturated models
unsaturated model
title Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application
title_full Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application
title_fullStr Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application
title_full_unstemmed Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application
title_short Comparison of Log-Linear Analysis and Correspondence Analysis in Two-Way Contingency Tables: A Medical Application
title_sort comparison of log linear analysis and correspondence analysis in two way contingency tables a medical application
topic Correspondence analysis
log-linear analysis
inertia
saturated models
unsaturated model
url http://balkanmedicaljournal.org/text.php3?id=744
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AT aysecananyazıcı comparisonofloglinearanalysisandcorrespondenceanalysisintwowaycontingencytablesamedicalapplication