METHOD OF DISCRETING / GROUPING A SOURCE ATTRIBUTE OR A GROUP ATTRIBUTES SOURCE OF A DATABASE

摘要

The present invention relates to a method for discretizing / grouping a source attribute or a source attribute group of a database containing a population of individuals, in particular for the purpose of predicting modalities of a target attribute. given. Said method comprises the following steps of: a) partitioning said modalities of said source attribute or said attribute group into elementary regions, b) Evaluation for each pair of elementary regions, of a merge criterion, c) Search, among the together couples of mergeable elementary regions, the pair of elementary regions whose fusion criterion would be optimized, e) Stopping the method if there are no elementary regions whose fusion would have the consequence of improving said merger criterion f) otherwise merging and repeating steps b) to e) .In accordance with the present invention, it further comprises a step d) between steps c) and e) direct jump to step f) as long as the value d an appreciation variable of the merger considered is not included in a predetermined atypical value zone. / P