| ALC_RNAmf | find the next point by ALC criterion |
| ALD_RNAmf | find the next point by ALD criterion |
| ALMC_RNAmf | find the next point by ALMC criterion |
| ALM_RNAmf | find the next point by ALM criterion |
| NestedX | Constructing nested design sets for the RNA model. |
| predict.RNAmf | prediction of the RNAmf emulator with multiple fidelity levels. |
| RNAmf | Fitting the Recursive Non-Additive model with multiple fidelity levels |