McNemar's Test什么意思?
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McNemar检验英文全称为McNemar's test for correlated proportions,主要用于配对资料率的检验（相当于配对卡方检验）
In statistics, McNemar's test is a non-parametric method used on nominal data. It is applied to 2 × 2 contingency tables with a dichotomous trait, with matched pairs of subjects, to determine whether the row and column marginal frequencies are equal ("marginal homogeneity"). It is named after Quinn McNemar, who introced it in 1947. A celebrated application of the test in genetics is the transmission disequilibrium test for detecting genetic linkage.
