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Stratification Method Using κ-Spatial Medians Clustering
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 Title & Authors
Stratification Method Using κ-Spatial Medians Clustering
Son, Soon-Chul; Jhun, Myoung-Shic;
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Stratification of population is widely used to improve the efficiency of the estimation in a sample survey. However, it causes several problems when there are some variables containing outliers. To overcome these problems, Park and Yun (2008) proposed a rather subjective method, which finds outliers before -means clustering for stratification. In this study, we propose the -spatial medians clustering method which is more robust than -means clustering method and also does not need the process of finding outliers in advance. We investigate the characteristics of the proposed method through a case study used in Park and Yun (2008) and confirm the efficiency of the proposed method.㴍舀܀㘲㌮〵㬬B畩汤楮本⁣潮獴牵捴楯渠慮搠捩癩氠敮杩湥敲楮最
-means clustering;-spatial medians clustering;multivariate stratification;Neyman allocation;outliers;
 Cited by
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