| Song Desheng,Liu Yuanyuan,Li Changping,Cui Zhuang,Hu Liangping,How to use t test correctly——comparison of correlation coefficient with 0 t test and SAS implementation[J].SICHUAN MENTAL HEALTH,2020,33(4):312-316 |
| How to use t test correctly——comparison of correlation coefficient with 0 t test and SAS implementation |
DOI：10.11886/scjsws20200717005 |
| English keywords:Correlation analysis Pearson’s correlation coefficient Spearman’s rank correlation coefficient Kendall’s tau-b rank correlation coefficient t test |
| Fund projects:国家自然科学基金项目（项目名称：贝叶斯生存分析方法在肝细胞癌肝移植患者预后预测中的应用研究，项目编号：81803333） |
| Author Name | Affiliation | Postcode | | Song Desheng | School of Public Health, Tianjin Medical University, Tianjin 300070, China | 300070 | | Liu Yuanyuan | School of Public Health, Tianjin Medical University, Tianjin 300070, China | 300070 | | Li Changping | School of Public Health, Tianjin Medical University, Tianjin 300070, China
Specialty Committee of Clinical Scientific Research Statistics of World Federation of Chinese Medicine Societies, Beijing 100029, China | 100029 | | Cui Zhuang | School of Public Health, Tianjin Medical University, Tianjin 300070, China | 300070 | | Hu Liangping | Specialty Committee of Clinical Scientific Research Statistics of World Federation of Chinese Medicine Societies, Beijing 100029, China
Graduate School, Academy of Military Sciences PLA China, Beijing 100850, China | 100850 |
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| English abstract: |
| The purpose of this article was to introduce the concepts and application situation of Pearson’s correlation coefficient, Spearman’s rank correlation coefficient and Kendall’s tau-b rank correlation coefficient. Firstly, this article introduced the basic statistical principles of the three kinds of correlation coefficients, then SAS software was used to perform the correlation analysis of the example, and finally the analyzed results were explained and discussed. |
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