R (>= 2.0.0), alr3, car, drc, HydroMe, lattice, lmtest, MASS, NISTnls, nlme, nls2, nlstools, NRAIA, sandwich
R (>= 2.0.0), alr3, car, drc, HydroMe, lattice, lmtest, MASS,
NISTnls, nlme, nls2, nlstools, NRAIA, sandwich
R (>= 2.0.0), alr3, boot, car, drc, HydroMe, lattice, lmtest, MASS, NISTnls, nlme, nlstools, nls2, plotrix, sandwich
GNU GPL (version 2 or any later version)