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一种基于投影稀疏表示的基因选择方法

DOI: doi:10.3969/j.issn.1006-7043.2011.08.011

Keywords: 基因选择, 稀疏表示, 基因表达数据, 间隔最大化判别分析??

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Abstract:

现有基于稀疏表示的基因选择方法通过回归类标的值确定基因的相关性.对于同一个问题,类标的取值不同,对应的基因选择结果也不同.针对这一问题,提出了一种基于稀疏表示基因表达数据一维投影的基因选择方法.该方法用稀疏表示技术回归基因表达数据在其最可分的方向上的投影,并根据回归得到的基因集的相关性向量选择基因.在6组基因表达数据上的实验结果表明:所提方法的运行时间适中,选择的基因集识别率高的同时冗余度也比较低.

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