The result of the R cluster analysis is that the most varieties of M halliana which is used in the study of the classification of appearance are independence and stability.
R型聚类分析结果表明垂丝海棠品种用于形态分类学研究的多数性状具有相对独立性和稳定性。
Four groups of elemental associations and four main factors were obtained respectively by using R-type cluster analysis and R-type factor analysis.
并利用R型聚类分析和R型因子分析，分别提取四组元素组合和四个主因子。
Four groups of elemental associations and four main factors were obtained respectively by using R-type cluster analysis and R-type factor analysis.
并利用R型聚类分析和R型因子分析，分别提取四组元素组合和四个主因子。
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