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特征选择
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包裹式选择
特征选择的一类方法。包裹式特征选择方法把最终要使用的学习器的性能作为特征子集的评价准则,其目的是为给定学习器选择有利于其性能、“量身定做” 的特征子集,一般而言,由于包裹式特征选择方法直接针对学习器进行优化,因此从最终学习性能上看,包裹式特征选择比过滤式特征选择要好。但是由于包裹式特征选择方法在选择的过程中需要多次训练学习器, 其相应的计算开销会比过滤式特征选择方法大得多,且在样本数目不够时容易过拟合。
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the reform of endowment insurance for government organs and public institutions in China
the reform of land system in modern China
the reforms of Shang Yang
the regaining education right movement
the Reggio Emilia education approach
The Regional Planning of Yangtze River Delta
The Regional Plan of New York and Its Environs
the region of bedrock
The Registration Book of the Tang Dynasty Making for Imposing Corvee
the registration form of the tang and song dynasties recording residents' self-reported information
the registration or evaluation of tea provincial variety
the registration system for case docket
The regulation of blood products
the regulation of collecting poetry
the regulation of editing
The regulation of medical institutions
The Regulation of Miraculous Moxibustion
The regulation of narcotic drugs and psychotropic substances
the regulation of presenting poetry
The Regulation of Prohibiting Primary and Secondary Schools and In-service Primary and Secondary School Teachers from Organizing Paid Make-up Classes
The Regulations of Faculty Congress in Universities
The Regulations of the Agriculture Insurance
The Regulations of the Compulsory Auto Liability Insurance
the Regulations of the People’s Republic of China on Foreign Invested Insurance Company
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