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基于概率密度逼近的无监督特征排序 被引量:2

Unsupervised Feature Ranking Approach Based on Probability Density Approximation
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摘要 依据概率密度逼近提出了一种新的无监督特征排序,应用于特征选择降维。实验证明,这种方法与一些现有的方法相比,更为有效。 Based on probability density approximation, a novel unsupervised feature ranking approach was proposed and could be applied to feature selection. Experiment results demonstrate the advantage of the approach here over others.
出处 《计算机应用研究》 CSCD 北大核心 2007年第4期47-51,共5页 Application Research of Computers
基金 国家自然科学基金资助项目(6022501) 教育部优秀青年教师奖励计划资助项目(NCET-04-0496) 教育部2005年重点科学研究项目 江苏省自然科学基金资助项目 中国科学院软件所计算机科学重点实验室资助项目 中国科学院自动化所模式识别国家重点实验室资助项目 江苏省计算机信息处理重点实验室资助项目
关键词 特征排序 特征选择 Parzen 窗口密度估计 概率密度逼近 feature ranking feature selection parzen window probability estimation probability density approximation
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参考文献16

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二级参考文献47

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