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Differential privacy-based evaporative cooling feature selection and classification with relief-F and random forests

机译:基于浮雕F和随机森林的基于差分隐私的蒸发冷却特征选择和分类

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摘要

MotivationClassification of individuals into disease or clinical categories from high-dimensional biological data with low prediction error is an important challenge of statistical learning in bioinformatics. Feature selection can improve classification accuracy but must be incorporated carefully into cross-validation to avoid overfitting. Recently, feature selection methods based on differential privacy, such as differentially private random forests and reusable holdout sets, have been proposed. However, for domains such as bioinformatics, where the number of features is much larger than the number of observations p ≫ n, these differential privacy methods are susceptible to overfitting.
机译:动机从具有低预测误差的高维度生物学数据将个体分类为疾病或临床类别,是生物信息学中统计学习的一项重要挑战。特征选择可以提高分类的准确性,但是必须小心地将其纳入交叉验证中,以避免过度拟合。近来,已经提出了基于差分隐私的特征选择方法,例如差分私有随机森林和可重用保持集。但是,对于像生物信息学这样的领域,其中特征的数量远远大于观测值pn的领域,这些差分隐私方法很容易过拟合。

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