Efficient Utilization of Missing Data in Cost-Sensitive Learning
Efficient Utilization of Missing Data in Cost-Sensitive Learning
复制标题
在成本敏感型学习中有效利用缺失数据
DOI:
10.1109/tkde.2019.2956530
复制
发表时间:
2019-11
影响因子:
8.9
通讯作者:
Zhang Shichao
中科院分区:
文献类型:
--
作者:
Zhu Xiaofeng;Yang Jianye;Zhang Chengyuan;Zhang Shichao
Different from previous imputation methods which impute missing values in the incomplete samples by using the information in the complete samples, this paper proposes a Date-drive Incremental imputation Model, DIM for short, which uses all available information in the data set to impute missing values economically, effectively, orderly, and iteratively. To this end, we propose a scoring rule to rank the missing features by taking into account both the economical criterion and the effective imputation information. The economical criterion takes both the imputation cost and the discriminative ability of the feature into account, while the effective imputation information enables to use all observed information in the data set including the imputed missing values to impute the left missing values. During the imputation process, our DIM first detects the neednot-impute samples for reducing the imputation cost and noise, and then selects the missing features with the top rank to impute first. The imputation process orderly imputes the missing features until all missing values are imputed or the imputation cost is exhausted. Experimental results on UCI data sets demonstrated the advantages of our proposed DIM, compared to the comparison methods, in terms of prediction accuracy and classification accuracy.
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10.1109/ijcnn.2007.4371139
发表时间:
2007-10
期刊:
2007 International Joint Conference on Neural Networks
影响因子:
--
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影响因子:
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影响因子:
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发表时间:
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期刊:
ArXiv
影响因子:
--
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发表时间:
2008-07
期刊:
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影响因子:
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通讯作者:
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