Gross errors, or "outliers", are errors other than random errors or systematic errors.
See Also
Physics Practical Skills Part 3: Systematic VS Random Errors...Gross Errors: Definition, Examples, How To Reduce It, and UsesStatistics in Analytical Chemistry - Stats (4)They are often large and, by definition, unpredictable.
They are typically caused by sudden changes in the prevailing physical circ*mstances, by system faults or by operator errors.
Source: Nick Ward, Vicechair, IALA e-Nav Committee, March 2009
See Also
Measurements and Error Analysis
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM
