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.
RNAmf                   Fitting the Recursive Non-Additive model with
                        multiple fidelity levels
predict.RNAmf           prediction of the RNAmf emulator with multiple
                        fidelity levels.
