I thought this was Renee's website! (Maybe hers is becomingdatascience.com?) Most machine learning (ML) models use samples / examples observations as input. This data lacks any time dimension. Time-series forecasting models are...
s.a. IBM's Blue CRUSH & PredPol; Patterns inherent in past crimes (type, place, and time) provide ample info for predictions, no indiv. or popul. data; However: CPD Heat-List "präventiv von Beamten besucht" http://boingboing.net/2014/02/25/chicago-pds-big-data-using.html
Kaggle is a platform for data prediction competitions. Companies, organizations and researchers post their data and have it scrutinized by the world's best statisticians.