R (>= 3.5.0), stats, utils, graphics, nlme
R (>= 3.5.0), stats, utils, graphics, nlme, Rcpp (>= 0.12.3)
rgl, car, numDeriv, ggplot2, ggpubr, snow, doSNOW, foreach
rgl, ellipse, numDeriv, ggplot2, ggpubr, foreach, iterators,
parallel, doParallel