concordancer: An 'Rcpp' Implementation of Lin's Concordance Correlation Coefficient (CCC)

Lin's Concordance Correlation Coefficient (CCC) is a statistic which measures the degree of agreement between two variables. The CCC is useful for assessing (i) the measurement agreement between two variables (typically outputs between two devices); (ii) the reproducibility between two measurements obtained from the same device; and (iii) inter-rater reliability. The 'concordancer' package provides a 'C++' implementation of Lin's CCC via 'Rcpp'. In so doing, the ccc() function contained herein is a much faster implementation than those contained in other R packages. For more details on Lin's CCC, please see <>.

Version: 1.0.2
Imports: Rcpp
LinkingTo: Rcpp
Suggests: spelling
Published: 2023-07-21
Author: Troy J Cross ORCID iD [aut, cre, cph]
Maintainer: Troy J Cross <troy.cross at>
License: GPL (≥ 3)
NeedsCompilation: yes
Language: en-US
Materials: README NEWS
CRAN checks: concordancer results


Reference manual: concordancer.pdf


Package source: concordancer_1.0.2.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): concordancer_1.0.2.tgz, r-oldrel (arm64): concordancer_1.0.2.tgz, r-release (x86_64): concordancer_1.0.2.tgz, r-oldrel (x86_64): concordancer_1.0.2.tgz


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