The principal component analysis implements the column-wise compression, using the correlation between attributes.
主成分分析使用属性之间的相关性实现按列压缩。
Examples: information about application runs, including their frequency, record counts, component-by-component analysis, and other statistics for auditing purposes.
示例：关于应用程序运行的信息，包括频率、记录数量、对每个组件的分析以及用于审计的其他统计数据。
The experiment results prove that this method is efficient, and it outperforms the principal component analysis.
实验结果表明，该降维方法比较有效，并且较主成分分析具有明显的优势。
The paper sets up a risk early-warning model using the methods of BP neural network and principal component analysis.
本文运用BP神经网络和主成分分析相结合的方法构建了一个商业银行风险预警模型。
Principal component analysis method can reduce dimensions of samples and even produce optimal compression of samples.
主成分分析法可以提取样本集的主元，从而降低样本的维数，甚至可以实现样本的最优压缩。
Methods of principal component analysis, grey incidence analysis were employed.
研究方法：主成分分析法、灰关联分析。
Principal component analysis was used to derive soil fertility variation factors.
运用主成分分析选取土壤肥力变异因子。
According to component analysis, explain high oxygen content and high water content.
通过生物油的成分分析解释了生物油高含氧和高含水特性。
The principal component analysis can estimate the intrinsic dimensionality of the hyper-plane.
主成分分析能有效估计这一几何体的本征维数。
The content includes in the fuzzy segment, BP neural networks and principal component analysis.
内容涉及模糊分割技术、BP神经网络、主元分析技术。
Listed companies; performance evaluation; strategic; principal component analysis; entropy method.
上市公司；业绩评价；战略；主成分分析；熵值法。
Principal component analysis (PCA) is used in data compressing and statistical features extracting.
主分量分析技术通常用于数据压缩和统计特征的提取。
A comprehensive fuzzy appraisal model is set up based on primary component analysis and fuzzy theory.
在主成分分析与模糊理论的基础上，构建了模糊综合评价模型。
By primary component analysis, 4 primary components were distilled to govern above-mentioned 8 chemicals.
以主成分分析法提取了支配上述8个化学成分的4个主成分。
Principal component analysis and cluster analysis are performed to refine the features of these sequences.
用主成份分析法和聚类技术提炼这些运动学片段的特征。
In the training phase, kernel principal component analysis is used to capture nonlinear handwriting variations.
在训练阶段，核-主元分析用来捕捉非线性的手写变化。
This paper presented a new multi-template character recognition method based on principal component analysis(PCA).
本文提出了一种基于主元分析法（PCA）的多模板字符识别算法。
An outlier detection algorithm based on principal component analysis and the sum of attributes distance is proposed.
提出了一种基于主分量分析和属性距离和的孤立点检测算法。
The results of the experiment show that the anomaly detection method based on principal component analysis is effective.
实验结果证明了基于主成分分析的异常检测方法的有效性。
Principal component analysis and cluster analysis on 7 quality characters of 19 pickling cucumber varieties were conducted.
对19个加工类型黄瓜品种的7个品质性状进行了主成分和聚类分析。
After analyzing ICA algorithm, a new method of the radar signal sorting based on independent component analysis is proposed.
在深入分析ICA算法的基础上，提出了将其用于雷达信号分选的新思路。
Among the methods of multiple indexes comprehensive evaluation, primary component analysis (PCA) is a relatively objective one.
在多指标综合评价中，主成分分析方法是一种较为客观的综合评价方法。
The surface component analysis showed the titanium oxidation was formed on NiTi alloy surface after oxidation and ion implantation.
表面成分分析表明，氧化和离子注入后，表面形成钛氧化物，使合金的耐腐蚀性得到明显的改善。
For those species with uncertainity of taxonomic status the principal component analysis was conducted for morphometric measurements.
对分类上存在疑问的种或亚种的测量数据进行了主成分分析。
The principal component analysis (PCA) approach for sensor fault detection, identification and reconstruction in HVAC system is presented.
提出了空调系统传感器故障检测、故障识别、故障重构的主成分分析方法。
To improve the running efficiency of the algorithm, the stochastic mapping of the patterns was modified based on principal component analysis.
为了提高群体智能聚类算法的运行效率，提出了利用主成分分析改善模式投影时的随机性。
Eurasian winter sea level pressure anomalies during 1948-2007 were investigated by applying a nonlinear principal component analysis (NLPCA) method.
运用非线性主成分分析法对欧亚地区1948—2007年冬季海平面气压距平场进行分析。
The method was developed for the matrix determination and the component analysis by the character line in Ni-based alloy based on digital simulation.
在镍基合金可见光谱计算机模拟基础上，研究利用镍元素及成分元素特征谱线进行基体鉴别和成分元素分析的方法。
Then the basic concepts of principal component analysis and partial least square regression are studied, as well as their advantages and disadvantages.
引入了主成分分析与偏最小二乘回归等多元统计与回归方法，并分析了其基本思想与优缺点。
Then the basic concepts of principal component analysis and partial least square regression are studied, as well as their advantages and disadvantages.
引入了主成分分析与偏最小二乘回归等多元统计与回归方法，并分析了其基本思想与优缺点。
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