i think should clearly more. 1, Purpose-verify if give approval to new loan application, include current customer or new customer. 2, Need use old application history result to set up a model, to see who is refused, so that use this model to check if need give approval to new application, or refused. 3, For the history record, there are 4 results on application , approval, refused, Noused, Cancelled. Approval and Noused looked as approve, how to deal with cancel, as this percentage is not small, perhaps some are qualified, some not. that is the problem. 4, Need set up customer ID level, on the old history list, one customer may has several records, some for car, some for house, etc, some was approve, some not, so how to choose one record which is should to be chosen.
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