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A note on the concordance correlation coefficient


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  • Thomas J. Steichen


  • Nicholas J. Cox

    (University of Durham, UK)


Program concord implements L. I. Lin Õs concordance correlation coefficient (Lin,1989), as well as the limits-of-agreement procedure (Bland and Altman, 1986). Recently, Lin (2000) issued an erratum reporting a number of typographical errors in his seminal 1989 paper. Further, changes in Stata Version 7 required modification of concord. This note reports the effect of the errors and provides a corrected and updated program. Copyright 2002 by Stata Corporation.

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Bibliographic Info

Article provided by StataCorp LP in its journal Stata Journal.

Volume (Year): 2 (2002)
Issue (Month): 2 (May)
Pages: 183-189

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Handle: RePEc:tsj:stataj:v:2:y:2002:i:2:p:183-189

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Keywords: concordance correlation; graphics; measurement comparison; limits-of-agreement;


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  1. Stephen P. Jenkins, 1999. "Creation of bivariate random lognormal variables," Stata Technical Bulletin, StataCorp LP, vol. 8(48).
  2. Thomas J. Steichen & Nicholas J. Cox, 1999. "Concordance correlation coefficient," Stata Technical Bulletin, StataCorp LP, vol. 8(43).
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Cited by:
  1. Nicholas J. Cox, 2004. "Speaking Stata: Graphing agreement and disagreement," Stata Journal, StataCorp LP, vol. 4(3), pages 329-349, September.
  2. Tong, Edward N.C. & Mues, Christophe & Thomas, Lyn C., 2012. "Mixture cure models in credit scoring: If and when borrowers default," European Journal of Operational Research, Elsevier, vol. 218(1), pages 132-139.


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