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根据毛发中微量元素的含量，应用逐步判别分析、主成分分析和逐步聚类分析等多变量统计分类技术，进行了肝癌辅助诊断的研究。所得结果令人满意，特别显示了用统计方法筛选出的几种元素在区分是否肝癌上起着显著作用。
According to the content of trace elements in hair, multivariate statistical classification techniques such as stepwise discriminant analysis, principal component analysis and stepwise cluster analysis were applied to the research of assisted diagnosis of liver cancer. The results obtained were satisfactory, showing in particular that several elements selected by statistical methods play a significant role in distinguishing whether or not they have liver cancer.