Predictive Models

Predictive models are used for scoring. Their input is a feature vector and the output is a score. Tree-based classifiers, logistic regression and neural networks are examples of predictive models. Predictive models are described in the Predictive Model Markup Language (PMML). We usually do not distinguish between a predictive model and a more general model such as a rule based model and refer to both as predictive models or simply model. Both can be expressed in PMML.