| Function | Description | 
| bnlr | Binomial Nonlinear Regression Models | 
| fit.dist | Fit Probability Distributions to Frequency Data | 
| fmr | Generalized Nonlinear Regression Models with Two or Three Point Mixtures | 
| gnlm | Generalized Nonlinear Regression Library | 
| gnlr | Generalized Nonlinear Regression Models for One and Two Parameter Distributions | 
| gnlr3 | Generalized Nonlinear Regression Models for Three Parameter Distributions | 
| nlr | Nonlinear Normal, Gamma, and Inverse Gaussian Regression Models | 
| nordr | Nonlinear Ordinal Regression Models | 
| ordglm | Generalized Linear Ordinal Regression Models | 
| rs2 | Two-factor Box-Tidwell Nonlinear Response Surface Models | 
| rs3 | Three-factor Box-Tidwell Nonlinear Response Surface Models |