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    predictive model's scoring issue

    Suppose I have built a model to predict default on loans. In my modeling data set I have three independent variables: income, home(own or rent) and job(manager, sales, self, other). They are all very strong predictors. For some reason, I won't be able to have the variable "job" in my scoring...
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    real world predictive model validation and testing issues

    I have a real world business problem of selecting products to recommend to our contacts in an email campaign. The data set I have contains the click thrus of our products' ads on various websites and other info about the visitors of the websites that have the ads on them. Some of the variables...