Performance Comparison of Independence Tests in Two-Way Contingency Table
REVSTAT-STATISTICAL JOURNAL(2023)
摘要
Several test statistics are available for testing the independence of categorical variables from two-way contingency tables. A vast majority of published articles used the Pearson’s chi-squared test for such purposes; however, this test statistic may lead to biased conclusions under certain conditions. Therefore, we aimed to compare the performance of test statistics via a comprehensive simulation study considering several factors in contingency tables. We also evaluated the performance of each test statistic on a real-life dataset. This study contributes to the literature guiding researchers to select an appropriate test statistic under different conditions.
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关键词
contingency table,power,power divergence,simulation study,type one error
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