Science / Tides and Currents / Datum Of Tabulation: A permanent base elevation at a tide station to which all water level measurements are referred. The datum is unique to each station and is established at a lower elevation than the water is ever expected to reach. It is referenced to the primary bench mark at the station and is held constant regardless of changes to the water level gauge or tide staff. The datum of tabulation is most often at the zero of the first tide staff installed.
Health / Health Insurance / Physician Profiling: In the context of a pharmacy benefit plan, the process of compiling data on physician prescribing patterns and comparing physicians' actual prescribing patterns to expected patterns within select drug MORE