1. A method, comprising: receiving contextual data related to at least one of environmental, physiological, behavioral, and historical context; receiving outcome data related to at least one outcome; creating a feature set from the contextual data; selecting a subset of features from the feature set; assigning a score to each feature in the subset of features according to the probability that the feature is a predictor of the at least one outcome; generating a characteristic curve for the at least one outcome from the subset of features, the characteristic curve based on the scoring; calculating an area under the characteristic curve; and identifying, using the area under the characteristic curve, whether the subset of features is a suitable predictor for the at least one outcome.