R (>= 2.12.0), Hmisc, base, utils, methods, stats, graphics,
grid, lattice, MASS, survival, multcomp, nlme
R (>= 2.14.0), Hmisc, base, utils, methods, stats, graphics,
grid, lattice, MASS, survival, multcomp, nlme
R (>= 2.11.0), Hmisc, base, utils, methods, stats, graphics,
grid, lattice, MASS, survival, multcomp, nlme
VGAM (> 0.9-2), methods, grid, MASS, lattice, survival,
multcomp, nlme
VGAM (>= 0.9-3), methods, grid, MASS, lattice, survival,
multcomp, nlme
VGAM (>= 1.0-0), methods, grDevices, graphics, stats, utils,
grid, MASS, lattice, survival, multcomp, nlme, rms