胡纯严,胡良平.如何正确运用χ2检验——队列设计四格表资料的χ2检验[J].四川精神卫生杂志,2021,34(1):53-57.Hu Chunyan,Hu Liangping,How to use χ2 test correctly—— χ2 test for the data of four-fold tables collected from the cohort design[J].SICHUAN MENTAL HEALTH,2021,34(1):53-57 |
如何正确运用χ2检验——队列设计四格表资料的χ2检验 |
How to use χ2 test correctly—— χ2 test for the data of four-fold tables collected from the cohort design |
投稿时间:2021-01-15 |
DOI:10.11886/scjsws20210115005 |
中文关键词: 队列设计 χ2检验 相对危险度 置信区间 SAS软件 R软件 |
英文关键词:Cohort design χ2 test Relative risk Confidence interval SAS software R software |
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中文摘要: |
本文目的是介绍队列设计四格表资料的χ2检验、相对危险度的假设检验和区间估计、SAS以及R软件的实现。针对队列设计的特点,重点介绍相对危险度的概念、假设检验和区间估计方法。对SAS与R软件计算的结果作出解释,并给出统计和专业结论。 |
英文摘要: |
The purpose of this paper was to introduce the χ2 test for the data of four-fold tables collected from the cohort design, the hypothesis test and interval estimation of relative risk, and the implementation of SAS and R software. In view of the characteristics of cohort design, the concept of relative risk, hypothesis testing and interval estimation were emphasized. It was given that the interpretation of the results calculated by SAS and R software, as well as the statistical and professional conclusions. |
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