응용통계연구 (The Korean Journal of Applied Statistics)

  • 제25권3호
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  • Pages.503-512
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  • 2012
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  • 1225-066X(pISSN)
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  • 2383-5818(eISSN)
한국통계학회 (The Korean Statistical Society)
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Clustering Observations for Detecting Multiple Outliers in Regression Models

  • Seo, Han-Son (Department of Applied Statistics, Konkuk University) ;
  • Yoon, Min (Department of Statistics, Pukyong National University)
  • 투고 : 2012.03.02
  • 심사 : 2012.04.17
  • 발행 : 2012.06.30
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초록

Detecting outliers in a linear regression model eventually fails when similar observations are classified differently in a sequential process. In such circumstances, identifying clusters and applying certain methods to the clustered data can prevent a failure to detect outliers and is computationally efficient due to the reduction of data. In this paper, we suggest to implement a clustering procedure for this purpose and provide examples that illustrate the suggested procedure applied to the Hadi-Simonoff (1993) method, reverse Hadi-Simonoff method, and Gentleman-Wilk (1975) method.

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참고문헌

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