1. A method comprising: simultaneously generating and executing, by a computer-based system for generating a plurality of predictive models, the plurality of predictive models, wherein at least one of the predictive models in the plurality of predictive models is based upon analysis and manipulation of data associated with a group of consumers, and wherein each model is given a score representing an accuracy of the model; and tracking, by the computer-based system, a behavior and performance of the plurality of predictive models using a Population Stability Index (“PSI”).