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CONCORD: Stata module for concordance correlation

Author

Listed:
  • Nicholas J. Cox

    (University of Durham)

  • Thomas Steichen

Programming Language

Stata

Abstract

concord computes Lin's (1989) concordance correlation coefficient, rho_c, for agreement on a continuous measure obtained by two persons or methods and provides an optional graphical display of the observed concordance of the measures. concord also provides statistics and optional graphics for Bland and Altman's (1986) limits-of-agreement, loa, procedure. The loa, a data-scale assessment of the degree of agreement, is a complementary approach to the relationship-scale approach of rho_c. This is version 2.2.7, which introduces corrections to the standard error formula for rho_c reported by Lin in 2000. This is version 3.0.7 incorporating a dialog, new graphics, and some extra features.

Suggested Citation

  • Nicholas J. Cox & Thomas Steichen, 2000. "CONCORD: Stata module for concordance correlation," Statistical Software Components S404501, Boston College Department of Economics, revised 09 Aug 2007.
    • Handle: RePEc:boc:bocode:s404501
    Note: This module may be installed from within Stata by typing "ssc install concord". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
    as

    Download full text from publisher

    File URL: http://fmwww.bc.edu/repec/bocode/c/concord.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/c/concord.hlp
    File Function: help file
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/c/concord.dlg
    File Function: dialog file
    Download Restriction: no
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