Case influence on the intraclass correlation coefficient estimate

被引：11
|
作者：
Giraudeau, B
Mallet, A
Chastang, C
机构：
[1] INST FEDERAT ST ANTONIE RECH SANTE,INSERM U444,F-75571 PARIS 12,FRANCE
[2] CHU PITIE SALPETRIERE,INSERM U436,SIM,DEPT BIOMATH,F-75634 PARIS 13,FRANCE
来源：
BIOMETRICS | 1996年 / 52卷 / 04期
关键词：
agreement; case influence; intraclass correlation coefficient;
D O I：
10.2307/2532864
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In epidemiological studies, attention is often paid to agreement between quantitative measures. To estimate this agreement, the intraclass correlation coefficient (ICC) is most often used. We propose an analytical formula for the influence of a subject i(0) on the estimate of the ICC. It disjoins the positive influence of the mean of the measures i(0) from the negative influence of the variance of these measures. An application to real data also enabled detection of an outlier whose measures' variance strongly influenced the estimate of the ICC.
引用
收藏
页码：1492 / 1497
页数：6
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