응용통계연구 (The Korean Journal of Applied Statistics)

  • 제21권1호
  • /
  • Pages.169-176
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  • 2008
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  • 1225-066X(pISSN)
  • /
  • 2383-5818(eISSN)
한국통계학회 (The Korean Statistical Society)
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일반화선형모형에서의 3차원 CERES그림

Three Dimensional CERES Plot in Generalized Linear Models

  • 강명욱 (숙명여자대학교 통계학과) ;
  • 김부용 (숙명여자대학교 통계학과) ;
  • 전진영 (숙명여자대학교 통계학과)
  • 발행 : 2008.02.29
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초록

일반화선형모형 에서 추가되는 설명 변수의 비선형성의 존재와 형태를 파악하는데 사용되는 3차원 CBRBS그림의 구조와 유용성에 대해 알아본다. CBRBS그림은 설명변수들 사이에 비선형의 관계가 존재하는 경우 편잔차그림으로는 알아낼 수 없는 비선형성에 대한 탐지가 가능하다. 이를 생성된 자료를 이용하여 확인해 본다.

We explore the structure and usefulness of three dimensional CERES plot as a basic tool for dealing with curvature as a function of the new predictors in generalized linear models. If predictors have nonlinear effects and there are nonlinear relationships among the predictors, the partial residual plot is not able to display the correct functional form of the predictors. Unlike this plots, the CERES plot can show the correct form. This is illustrated by simulated data.

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참고문헌

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