Missing Value Imputation Based on Data Clustering
- Publication Type:
- Journal Article
- Lecture Notes in Computer Science, 2008, 4750 (2008), pp. 128 - 138
- Issue Date:
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We propose an efficient nonparametric missing value imputation method based on clustering, called CMI (Clustering-based Missing value Imputation), for dealing with missing values in target attributes. In our approach, we impute the missing values of an instance A with plausible values that are generated from the data in the instances which do not contain missing values and are most similar to the instance A using a kernel-based method. Specifically, we first divide the dataset (including the instances with missing values) into clusters. Next, missing values of an instance A are patched up with the plausible values generated from Aâs cluster. Extensive experiments show the effectiveness of the proposed method in missing value imputation task.
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