| bnlr | Binomial Nonlinear Regression Models |
| fit.dist | Fit Probability Distributions to Frequency Data |
| fmr | Generalized Nonlinear Regression Models with Two or Three Point Mixtures |
| 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 |