Hello .. please can you give me some tips I have a monthly campaign, with about 200,000 qualifying customers (all filters applied) But, I only need a cell size of 20,000 every month My problem is this : It seems that (in optimization) the customers are being sorted by the Subject ID, all of the scenario rules are being applied, and then the first 20,000 customers are selected Which means that my selection of monthly customers only vary from Subject ID : A to H .. It never selects customers from Subject ID : H to Z ? Please advise how to randomize during Optimization (I guess) Gerda
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