CCC for repeated measures
rm_ccc_macro_v2.sas is a SAS macro the estimates the concordance correlation coefficient (CCC) for repeated and non-repeated measures.
https://github.com/jlcarrascoUB/rm_ccc_macro
For further details see: Carrasco et al. (2013) Estimation of the concordance correlation coefficient for repeated measures using SAS and R. Comput Methods Programs Biomed.;109(3):293-304