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On the Use of Sequential Adaptive Nearest Neighbors for Missing Value Imputation
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 Title & Authors
On the Use of Sequential Adaptive Nearest Neighbors for Missing Value Imputation
Park, So-Hyun; Bang, Sung-Wan; Jhun, Myoung-Shic;
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In this paper, we propose a Sequential Adaptive Nearest Neighbor(SANN) imputation method that combines the Adaptive Nearest Neighbor(ANN) method and the Sequential k-Nearest Neighbor(SKNN) method. When choosing the nearest neighbors of missing observations, the proposed SANN method takes the local feature of the missing observations into account as well as reutilizes the imputed observations in a sequential manner. By using a Monte Carlo study and a real data example, we demonstrate the characteristics of the SANN method and its potential performance.
Adaptive nearest neighbors;imputation;k-nearest neighbors;missing data;
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