A method comprises: the presentation of a plurality of offers to one or several targets, the invention including at least one has not - deterministic comprising considerations not - deterministic for the addressee (22); the direction of a commercial activity including presentation, including, in addition, at least one actual commercial transaction carried out in response to an acceptance by a recipient an offer of the plurality of offers (24); the reception of data of decisions of the target during the direction of the commercial activity (40); and the generation of information for the estimated values as a function of the data of decisions of the addressee (42). Optionally, the method includes, in addition, the generation of a new offers as a function of the estimated values generated and the direction of a commercial activity additional including the presentation of the new offers. Optionally, the method is implemented by using no folds of the targets, the generation of a new provides for a fold of the addressee being based on the estimated values generated for the addressees other than the fold of the addressee.
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