A method, implemented on a computer having a fixed amount of memory and CPU resources, for analyzing a sequence of data units derived from a dynamic system to which new data units may be added by classifying the data units, is disclosed. This includes behavioral efficacy, as anxiety depression apathy and agitation, in addition to neurophysiological and functional outcomes including a decrease in care givers distress. The input computing platform communicates with other input computing platforms and a master server through a communications network. Before releasing lock, the thread copies the database update code and a current record pointer into memory locations private to the thread.