Making use of evaluation index system of financing performance of listed companies, integrated evaluation on 18 listed petrochemical companies were made by using principal component analytical method.
利用上市公司财务绩效评价指标体系，应用主成分分析方法对18家石油化工类上市公司进行了综合评价。
The water quality of the Beitang Drainage River during these seasons was evaluated by the improved principal component analysis method and Nemerow index method.
运用内梅罗指数法验证了改进的主成分分析法的结论，并得出了三个水期的相对污染程度。
Based on the current index system of credit rating, we use Principal Component Analysis to filtrate the index quantitatively, overcoming the subjectivity of index selection.
本文在现有的信用评级法指标体系基础上，运用主成分分析法定量筛选评价指标，克服指标选取的主观性。
Applying the principal component analysis method (PCA) to these variables, we compile a single composite index (G-Index) to rank Chinese listed firms' corporate governance levels.
基于这个变量体系，我们运用主元因素分析法编制了一个可反映上市公司治理水平的综合指标——G指标。
And then it sets up listed companies' financial crisis warning index system including 10 principal component factors using the method of principal component analysis.
利用主成分分析方法建立了包含10个主成分的上市公司财务危机预警指标体系。
After establishing evaluation index system, I select the method which combines the analytic hierarchy process with principal component regression in determining evaluation index weight method.
评价指标体系建立以后，在确定评价指标权重的方法上，作者选用了层次分析法和主成分分析法相结合的方法。
Comparing with the traditional methods, it could hold more information of the original index matrix and had much higher contributing rate of the first principal component.
与传统方法相比，本文方法更为合理地保留了原始指标矩阵中的信息，且第一主成分的贡献率有了显著的提高。
Principal component analysis can avoid inaccuracy of determining weights in index system by subjective evaluation and improve the rationality and effectiveness of assessment index system.
主成份分析法可以避免只依据主观评定法确定指标体系权重的不准确性，使评估指标体系的权重更加合理、有效。
The first principal component of the Southern Oscillation Index (SOI) is used as the intensity of annual SO.
用南方涛动指数(SOI)的第一主成分表示年涛动强度。
Likelihood ratio test, rank correlation analysis and principal component analysis were used to investigate the optimal model of function and the index system.
似然比检验、秩相关分析、主成分分析等方法相继用于研究函数的最适模型和指标体系。
In the process of test, principal component analysis is used as data preprocessing to extract the feature index from vibration signal statistic features as the input of SVDD classifier.
在测试的过程中，主成分分析作为数据预处理，提取特征指数从振动信号的统计特征作为输入SVDD分类。
In the process of test, principal component analysis is used as data preprocessing to extract the feature index from vibration signal statistic features as the input of SVDD classifier.
在测试的过程中，主成分分析作为数据预处理，提取特征指数从振动信号的统计特征作为输入SVDD分类。
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