| Hu Chunyan,Hu Liangping,Reasonably carry out multivariate analysis： variable clustering analysis[J].SICHUAN MENTAL HEALTH,2023,36(S1):61-66 |
| Reasonably carry out multivariate analysis： variable clustering analysis |
DOI：10.11886/scjsws20230605003 |
| English keywords:Cluster statistic Cluster analysis Similarity coefficient Class component Class structure |
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| The purpose of this article was to introduce the basic concepts， calculation methods， two examples and SAS implementation related to the variable cluster analysis. Basic concepts included variable cluster analysis， similarity coefficient， variable clustering methods， class composition and class structure. The calculation approaches involved the calculation process of the similarity coefficient method and the eigenvalue method. The data involved in the two examples were measurement results of 10 related indicators in 60 normal males and measurement results of 7 indicators in 36 rabbits.With the help of SAS software， a comprehensive variable cluster analysis was carried out on the quantitative data in the two cases， and a reasonable explanation was given for the output results. |
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