关于关联的顺序尺度的准确推断通常不是准确的
1Roswell Park Cancer Institute, Department of Biostatistics and Bioinformatics, Elm and Carlton Streets, Buffalo, NY 14623, United States.
Computer methods and programs in biomedicine
|July 23, 2023
概括
这项研究将排列测试扩展到诸如斯皮尔曼相关性之类的顺序关联测量. 对于中等到大样本大小,非对称有效测试比精确的顺序测试更可靠.
科学领域:
- 统计 统计 统计 统计
- 统计推理 统计推理
- 非参数统计的统计.
背景情况:
- 变换测试对于统计推理有价值.
- 现有的方法主要集中在使用皮尔森相关的连续数据上.
- 普通的关联措施需要专门的测试方法.
研究的目的:
- 为了扩展换测试到关联的顺序测量.
- 为了评估精确的准确性与非对称有效的测试对顺序数据的测试.
- 为顺序关联测试提供理论框架和基于模拟的证据.
主要方法:
- 扩展了迪西西奥和罗曼诺 (2017) 的排列测试框架.
- 适用于顺序测量:斯皮尔曼相关性,肯德尔的tau-b,和马.
- 使用学生化来进行非对称有效的推断,并与精确测试进行比较.
主要成果:
- 顺序关联的确切排列测试往往是不确切的.
- 非对称有效的测试表明,在中等到大样本大小的样本中表现良好.
- 玩具示例说明了精确方法和非对称方法之间的差异.
结论:
- 建议学生化非对称有效测试用于测试没有顺序关联.
- 在解释顺序测量的精确排列测试时,必须小心.
- 这项研究为顺序关联推理提供了一个强大的框架.
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