1. A computerized method for monitoring physical data, generated by a physical data generator, for anomalies, said physical data being predictable subject to predetermined information characterizing said physical data generator, the method comprising: using said predetermined information to compute a sequence of predicted data points which the physical data, given said predetermined information, can be expected to duplicate at each of a corresponding sequence of temporal sampling points; and receiving the physical data and identifying wayward points within said physical data which are incongruous with the predetermined information.