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Stat Med. 2014 Feb 10;33(3):514-6. doi: 10.1002/sim.5931. Epub 2013 Jul 31.

A short note on jackknifing the concordance correlation coefficient.

Author information

1
Biometrics Research, Merck Research Lab., Rahway, NJ, U.S.A.

Abstract

Lin's concordance correlation coefficient (CCC) is a very popular scaled index of agreement used in applied statistics. To obtain a confidence interval (CI) for the estimate of CCC, jackknifing was proposed and shown to perform well in simulation as well as in applications. However, a theoretical proof of the validity of the jackknife CI for the CCC has not been presented yet. In this note, we establish a sufficient condition for using the jackknife method to construct the CI for the CCC.

KEYWORDS:

U-statistics; concordance correlation coefficient; jackknife

PMID:
23904172
DOI:
10.1002/sim.5931
[Indexed for MEDLINE]

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