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A Concordance Correlation Coefficient to Evaluate Reproducibility

Biometrics · 1989 · 8,957 citations

doi.org/10.2307/2532051

Abstract

A new reproducibility index is developed and studied. This index is the correlation between the two readings that fall on the 45 degree line through the origin. It is simple to use and possesses desirable properties. The statistical properties of this estimate can be satisfactorily evaluated using an inverse hyperbolic tangent transformation. A Monte Carlo experiment with 5,000 runs was performed to confirm the estimate's validity. An application using actual data is given.

Cite this paper

Lin, L. I.-K. (1989). A concordance correlation coefficient to evaluate reproducibility. Biometrics, 45(1), 255. https://doi.org/10.2307/2532051

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