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Study of the principal component analysis and cluster analysis method to determine trace elements of Red Kojic on Chinese traditional medicine
Author(s): 
Pages: 789-792
Year: Issue:  4
Journal: Journal of Southwest University for Nationalities(Natrual Science Edition)

Keyword:  Red Kojictrace elementprincipal component analysiscluster analysis;
Abstract: Objective: To study the contents and distribution of trace elements of Red Kojic on Chinese traditional medicine gathered from different habitats. Method: Principal components analysis and cluster analysis of SPSS are applied for the study of characteristic elements. Result: 4 principal components are obtained, which contributes variance over 90.072%. Based on these principal components, germplasms are clustered into 4 group switch Ward's method. Conclusion: The results provide scientific basis for research and identification of Red Kojic.
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