halfFractionIterator

Parameters

half

indicates the half-fraction to iterate. 1.0 indicates the positive half-fraction and -1.0 the negative half-fraction. The default is 1.0

numReps

the number of replications for the design points. Must be greater or equal to 1. If null, then the current value for the number of replications of each design point is used. Null is the default.