Berridge, D. et al. 2017. A new R-based statistical software package for fitting multivariate generalized linear mixed models to large and complex datasets: IJPDS (2017) Issue 1, Vol 1:334 Proceedings of the IPDLN Conference (August 2016). International Journal of Population Data Science. 1, 1 (Apr. 2017). DOI:https://doi.org/10.23889/ijpds.v1i1.355.