然而实验发现第一主成分未必是算法初始化的最佳选择。
They are all initialized by the first principal component for the close relation between principal curves and the principal components.
针对上述问题，提出了信息增益(IG)与主成分分析(PCA)相结合的特征选择方法。
Aiming at the preceding problem, this paper puts forward a feature selection method using Information Gain (IG) and Principle Component (Analysis) (PCA).
提出了一种基于分段主成分分析的波段选择算法。
提出了一种基于分段主成分分析的高光谱图像波段选择算法。
A segmented PCA based band selection algorithm of hyperspectral image is proposed.
它主要对所选择的40只绩优股，进行横向的比较，并根据第一主成分得分进行排序，给广大的投资者提供参考。
We mainly carry out more lateral comparison for the 40 blue chips selected, and they have a rank according to the scores of the first principal component to offer reference to masses of investor.
这四个选择的聚合物作为敏感元件的传感器阵列，然后分类，主成分是适应四个模拟气体。
The four chosen polymers were used as sensitive component for a sensor array, and then PCA is adapted to classify four simulant gases.
本研究选择Z公司的在岗派遣制员工作为研究对象，运用主成分分析法等统计方法进行实证研究。
This research selects the dispatched workers in Z Corporation as the research objects, and conducts the empirical study by such statistical methods as principal component analysis and so on.
该文提出了一种新的基于分类别主成分分析(PCA)散度的波段选择方法。
An efficient algorithm using divergence based class-within principal component analysis (PCA) and analysis of corresponding coefficients is proposed.
该文提出了一种新的基于分类别主成分分析(PCA)散度的波段选择方法。
An efficient algorithm using divergence based class-within principal component analysis (PCA) and analysis of corresponding coefficients is proposed.
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