Cochran Q检验计算器
执行Cochran Q检验，比较三个或以上配对二分类变量的比例差异，适用于重复测量的二分类数据分析。
Cochran Q
-24.0000
df3
Cochran Q vs Treatments
公式
Cochran Q Test
Q = (k-1)[k*Sum(Cj^2) - T^2] / [kT - Sum(Ri^2)]
Extension of McNemar to 3+ related groups with binary outcomes.
计算示例
4 treatments, T=40.
- 01Q = 3*(2000-1600)/(160-210)
常见问题
When?
3+ matched groups with binary outcomes.
With 2 groups?
Equivalent to McNemar.
Post-hoc?
Pairwise McNemar with Bonferroni.
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