Hofmann
A multilevel dataset from Hofmann, Griffin, and Gavin (2000).
icc_beta()
Intraclass correlation used to assess variability of lower-order relationships across higher-order processes/units.
iccbeta-package
iccbeta: Multilevel Model Intraclass Correlation for Slope Heterogeneity
simICCdata
Simulated data example from Aguinis and Culpepper (2015).