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lmer 모델의 효과 반복 계산
방금 혼합 효과 모델링을 통해 측정의 반복성 (일명 신뢰성, 일명 클래스 내 상관 관계)을 계산하는 방법을 설명하는 이 문서를 보았습니다. R 코드는 다음과 같습니다. #fit the model fit = lmer(dv~(1|unit),data=my_data) #obtain the variance estimates vc = VarCorr(fit) residual_var = attr(vc,'sc')^2 intercept_var = attr(vc$id,'stddev')[1]^2 #compute the unadjusted repeatability R = intercept_var/(intercept_var+residual_var) …
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