chunk
Splits the number of replications into a list of experiments with each experiment having at most size replications. A resulting experiment may have fewer than the given size but at least 1 replication. The experiments are ordered in the list such that the replication identifiers for each experiment are ordered from 1 to the number of replications numReplications
Parameters
size
the number of replications in each experiment, must be positive. If greater than the number of replications, there will be 1 chunk containing all replications