| IFS | IFS estimator |
| ifs | IFS estimator |
| IFS.df.FT | IFS estimator |
| ifs.df.FT | IFS estimator |
| ifs.flex | IFS estimator |
| ifs.FT | IFS estimator |
| IFS.pf.FT | IFS estimator |
| ifs.pf.FT | IFS estimator |
| ifs.setup.FT | IFS estimator |
| IFSM | IFSM operator |
| ifsm.cf | Calculates the main parameters of the IFSM operator |
| ifsm.setQF | Sets up the quadratic form for the IFSM |
| ifsm.w.maps | Set up the parameters for the maps of the IFSM operator |
| ifsp.cf | Calculates the main parameters of the IFS estimators |
| ifsp.setQF | Sets up the quadratic form for the IFSP |
| ifsp.w.maps | Set up the parameters for the maps of the IFSP operator |