Paper Infomation
Comparative Study of Cluster Analysis Method
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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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