R packages
CWGEE: Cluster-weighted generalized estimating equations for clustered longitudinal data with informative cluster size
ipccwGEE: Solves the cluster-weighted generalized estimating equations with inverse probability censoring weights for correlated binary responses in clustered longitudinal data with informative cluster size and informative drop-out.
modelkappa: Calculates model-based kappa of agreement and association and their standard errors for multiple raters each assessing multiple cases