fit.dist	Fit Probability Distributions to Frequency Data
fmr		Generalized Nonlinear Regression with Finite Mixture
gnlr		Generalized Nonlinear Regression
gnlr3		Generalized Nonlinear Regression (3 Parameter Distributions)
nlr		Nonlinear Regression
nordr		Nonlinear Ordinal Regression
rs2		Two-factor Nonlinear Response Surface
rs3		Three-factor Nonlinear Response Surface
