Categorical missing data imputation approach via sparse representation
Xiaochen Shao and Sen Wu, Xiaodong Feng, Rui Song
Year of publication: |
2016
|
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Authors: | Shao, Xiaochen ; Wu, Sen ; Feng, Xiaodong ; Song, Rui |
Published in: |
International journal of services technology and management. - Wolvertin Mill : Interscience Enterprises, ISSN 1460-6720, ZDB-ID 2072619-3. - Vol. 22.2016, 3/4/5, p. 256-270
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Subject: | missing values | K-nearest neighbor | categorical attribute | data imputation | sparse representation | dictionary learning | locality constraint | lasso optimization | distance penalty | local smoothness |
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