| 胡纯严,胡良平.如何正确运用χ2检验——横断面设计四格表资料的χ2检验[J].四川精神卫生杂志,2021,34(1):48-52.Hu Chunyan,Hu Liangping,How to use χ2 test correctly—— χ2 test for the data of four-fold tables collected from the cross-sectional design[J].SICHUAN MENTAL HEALTH,2021,34(1):48-52 |
| 如何正确运用χ2检验——横断面设计四格表资料的χ2检验 |
| How to use χ2 test correctly—— χ2 test for the data of four-fold tables collected from the cross-sectional design |
| 投稿时间：2021-01-15 |
| DOI：10.11886/scjsws20210115004 |
| 中文关键词: 横断面设计 四格表资料 χ2检验 似然比 SAS软件 R软件 |
| 英文关键词:Cross-sectional design Four-fold table data χ2 test Likelihood ratio SAS software R software |
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| 中文摘要: |
| 本文目的是介绍横断面设计四格表资料的χ2检验及SAS和R软件实现。具体介绍了3种方法，即“Pearson?s χ2检验”“校正的Pearson?s χ2检验”和“似然比χ2检验”。内容涉及前述提及的3种统计分析方法的检验假设、计算原理与公式、前提条件、SAS与R软件的实现、结果解释以及结论陈述。 |
| 英文摘要: |
| The purpose of this article was to introduce the χ2 test for the data of four-fold tables collected from the cross-sectional design and the realization of SAS and R software. Specifically， three methods were introduced， namely " Pearson?s χ2 test"， "corrected Pearson?s χ2 test" and "likelihood ratio χ2 test". The contents involved the test hypotheses， calculation principles and formulas， prerequisites， implementation of SAS and R software， interpretation of results and statement of conclusions of the aforementioned three statistical analysis methods. |
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