lattice, grid, stats, methods, utils, MASS
R (>= 2.9.0), lattice, grid, stats, methods, utils, MASS
R (>= 2.9.0), lattice, stats, methods, utils, MASS
R (>= 3.4.0), lattice, stats, methods, utils, MASS
R (>= 3.0.0), lattice, stats, methods, utils, MASS
R (>= 3.3.0), lattice, stats, methods, utils, MASS
AER, car, eha, lme4, ordinal, simex, tibble, haven