Complex sentence: When there are k designs, and we would like to pick the best design based on the simulation output, the OCBA approach can intelligently determine the most efficient simulation replication numbers or simulation lengths for all simulated alternatives.
Split into simpler sentences: When there are k designs, and we would like to pick the best design based on the simulation output. The OCBA approach can intelligently determine the most efficient simulation replication numbers or simulation lengths for all simulated alternatives.