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数学计算

《数学计算》(Mathematical Computation) (年刊)是IVY出版社旗下的一本关注数学理论与计算应用发展的国际期刊,是数学理论与现代工业技术相结合的综合性学术刊物。主要刊登有关理论数学、应用数学,及其在自然科学、工程技术、经济和社会等各领域内的最新研究进展的学术性论文和评论性文章。旨在为该领域内的专家、学者、科研人员提供一个良好的传播、分享和探讨数学理论进展的交流平台,反映学术前沿水平,促进学术交流,推进数学理论和应用方法的发展。本刊可接收中、英…… 【更多】 《数学计算》(Mathematical Computation) (年刊)是IVY出版社旗下的一本关注数学理论与计算应用发展的国际期刊,是数学理论与现代工业技术相结合的综合性学术刊物。主要刊登有关理论数学、应用数学,及其在自然科学、工程技术、经济和社会等各领域内的最新研究进展的学术性论文和评论性文章。旨在为该领域内的专家、学者、科研人员提供一个良好的传播、分享和探讨数学理论进展的交流平台,反映学术前沿水平,促进学术交流,推进数学理论和应用方法的发展。

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ISSN Print:2327-0519

ISSN Online:2327-0527

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Paper Infomation

Comparative Study of Cluster Analysis Method

Full Text(PDF, 272KB)

Author: Tingting Chen

Abstract: Cluster analysis is a kind of modern multivariate statistical analysis method to research "Things of one kind come together". And cluster analysis methods have developed rapidly, and made fruitful applications in economics, management, geological exploration, weather forecast, taxonomy, archaeology, medicine, psychology and national and regional standards development and so on.First, learning the relevant knowledge of cluster analysis, using the different kinds of system clustering method to classify the instance data through the application of SPSS software, and determining the suitable number of classes by using the threshold T, observing scatter plots and using statistics, to research and compare the different kinds of system clustering method. Finally come to the conclusion that: The deficiency of "Given a threshold value T" is its subjectivity; the method "Scatter plot" is more intuitive, and the efficiency may be better than the normal clustering method; "Using statistics" is often more clear. In the effect of clustering methods, in many applications, the clustering effect of the average linkage method and the Ward method is relatively good.

Keywords: Cluster Analysis, Classification, System Clustering Method, SPSS

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