principle components analysis method

• 主成分分析

principle components analysis method的用法和样例：

例句

1. The integrated quantitative evaluation on river water quality was made by principle components analysis and logarithm center method.
   本文利用主成分分析和对数中心化的方法对江河水质进行综合定量评价。
2. Thirdly, taking southern California theme parks cluster as a case, we calculate their niche by principle components analysis utilizing the model.
   以美国南加利福尼亚州主题公园群落为研究对象，依据主题公园生态位模型，利用主成分分析法进行生态位测度。