| 中药甘草中微量元素的主成分分析和系统聚类分析 |
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| 引用本文： | 曹红翠,吴启勋. 中药甘草中微量元素的主成分分析和系统聚类分析[J]. 甘肃联合大学学报(自然科学版), 2010, 24(2): 61-63 |
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| 作者姓名： | 曹红翠 吴启勋 |
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| 作者单位： | 1. 青海民族大学,化学系,青海,西宁,810007;青海大学,化工学院,青海,西宁,810016
2. 青海民族大学,化学系,青海,西宁,810007 |
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| 摘 要： | 以微量元素含量为指标,应用主成分分析法,结合SPSS软件对不同产地甘草的微量元素进行聚类分析.筛选出特征根累计贡献率达83.260%的3个主成分,对选出的品种进行系统聚类分析,在离差平方和的水平上可将其划分为3大类群.该研究为甘草的开发和应用提供依据.
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| 关 键 词： | 甘草 微量元素 主成分分析 聚类分析 |
Principal Component Analysis and Cluster Analysis of Trace Elements in Glycyrrhizin on Chinese traditional medicine |
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| CAO Hong-cui,WU Qi-xun. Principal Component Analysis and Cluster Analysis of Trace Elements in Glycyrrhizin on Chinese traditional medicine[J]. Journal of Gansu Lianhe University :Natural Sciences, 2010, 24(2): 61-63 |
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| Authors: | CAO Hong-cui WU Qi-xun |
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| Affiliation: | 1.Department of Chemistry;Qinghai Nationality College;Xining 810007;China;2.School of Chemical Engineering;Qinghai University;Xining 810016;China |
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| Abstract: | Trace elements of Glycyrrhizin of chinese herbal medicin have been cluster analyzed by using the principal component analysis method and the statistic software SPSS,principal components are obtained,and the contributing rate of every one among the 3 is over 83.260%.Germplasms are clustered into 3 group based on these principal components and the sum of squares level.The results provide scientific basis for research and identification of Glycyrrhizin. |
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| Keywords: | glycyrrhizin trace elements principal component analysis cluster analysis |
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