RSA_step1               Simulation data on needs-supplies fit processes
                        (STEP1)
RSAmodel                Estimate polynomial models for response surface
                        analysis
RSAmodel.auxiliary      Estimate a list of polynomial models for RSA,
                        using auxiliary variables in FIML
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.rsaSIM         Plots the response surface of a simulated
                        polynomial model
sim_NSfit               Simulation data on needs-supplies fit processes
                        (illustration)
