A blended estimator for a measure of agreement with a gold standard

被引：6

作者：

Harris, IR ^{[1
]}

Burch, BD ^{[1
]}

St Laurent, RT ^{[1
]}

机构：

[1] No Arizona Univ, Dept Math & Stat, Flagstaff, AZ 86011 USA

来源：

JOURNAL OF AGRICULTURAL BIOLOGICAL AND ENVIRONMENTAL STATISTICS | 2001年 / 6卷 / 03期

关键词：

concordance; intraclass correlation coefficient; method comparison studies; pivotal quantity;

D O I：

10.1198/108571101317096541

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

St. Laurent developed a measure of agreement for method comparison studies in which an approximate method of measurement was compared to a gold standard method of measurement. The measure of agreement proposed was shown to be related to a population intraclass correlation coefficient. In this paper, the authors develop a family of estimators for the measure of agreement based on pivotal quantities. A blend of two particular members of the family is suggested as an estimator itself. In general, the blended estimator outperforms the maximum likelihood estimator in terms of bias and mean-squared error.

引用

页码：326 / 339

页数：14

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