| best.rsa | Compare a list of polynomial models against the data |
| best.rsa2 | Compare two polynomial models against the data |
| exportRSA.bootstrap | Export bootstrapped parameters of polynomial model |
| exportRSA.fit | Export fit indices and names of polynomials models |
| ident.ext | Probe extrema in the response surface |
| plotting.ext | Plot extrema in the response surface along the lines of congruence and incongruence |
| plotting.rsa | Plots the response surface of a polynomial model of first, second, or third degree |
| plotting.rsaCOEF | Plots the response surface of a polynomial model of first, second, or third degree |
| RSAmodel | Estimate polynomial models for response surface analysis |
| RSAmodel.auxiliary | Estimate a list of polynomial models for RSA, using auxiliary variables in FIML |
| RSA_step1 | Simulation data on needs-supplies fit processes (STEP1) |
| sim_NSfit | Simulation data on needs-supplies fit processes (illustration) |