11. The non-transitory computer-readable storage medium of claim 10 , wherein said method further comprises: accessing a plurality of sets of training data; and generating said plurality of predictive models based on said plurality sets of training data.
11. The non-transitory computer-readable storage medium of claim 10 , wherein said method further comprises: accessing a plurality of sets of training data; and generating said plurality of predictive models based on said plurality sets of training data. 14. The non-transitory computer-readable storage medium of claim 11 , wherein said integrated model is configured to: identify a first category on a first level of said plurality of decision levels based on data of a set of features corresponding to said first level; identify a second division that is nested with said first division on a second level of said plurality of decision levels based on data of a set of features corresponding to said second level; and selecting said one or more predictive models based on a set of features corresponding to an intermediate level that is immediately above said lowest level.