feature selection problem的意思|示意

Feature, superiority, application and existent problem of waterbore UV coatings, along with selection of the resin and photo initiator are briefly introduced.

简述了水性UV涂料的特点、优势、应用以及树脂、光引发剂的选择和所需解决的问题。

The problem of feature gene selection and tumor samples classification of microarray gene expression data is one of challenges of gene microarray technology.

基因表达数据的特征基因选取和肿瘤样本分类问题是基因微阵列技术的挑战性课题之一。

Actually the kernel design in the recognition method based on discrete time - frequency representation is a problem of feature selection from the ambiguity functions to reduce feature dimension.

基于离散时频分布的信号识别方法，将时频核设计问题转化为以信号自模糊函数为原始特征的特征选择问题，以实现特征降维和信号识别。

Feature selection is an important problem in the pattern recognition and machine learning areas.

特征选择是模式识别和机器学习领域的重要问题。

The feature subset selection is an important problem in machine learning, but the optimal feature subset selection is proves to be a NP hard one.

特征子集选择问题是机器学习的重要问题。而最优特征子集的选择是NP困难问题，因此需要启发式搜索指导求解。

Aiming at the preceding problem, this paper puts forward a feature selection method using Information Gain (IG) and Principle Component (Analysis) (PCA).

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。