R (>= 3.5.0), stats, MASS, parallel, mlogit, dfidx, survey
nnet, AER, survival, MASS, parallel, mlogit, dfidx, survey,
lme4
nnet, AER, survival, MASS, parallel, mlogit, dfidx, survey,
lme4, VGAM
knitr, rmarkdown, schlegel, ggplot2, devtools