model metadata for each of a plurality of models is stored . the model metadata includes a statistical analysis technique identifier and one or more model input data identifiers . a request to execute a model is received . the request includes data identifying one of the plurality of models , and a model execution start date and end date . on the model execution start date , execution of the model associated with the model execution request is commenced . outputs of the executed model are stored in a database . the outputs are associated with a model instance identifier , information describing a context for execution of the model , and model output type information . the outputs are retrieved , using the model instance identifier , for analysis .