FIELD: mobile telecommunication systems.
SUBSTANCE: using one-dimensional filters built in MEGS system methods for computer detection of fraud are developed. By analysis of main components graphic tool is formed, which because of two-dimensional graphs and appropriate coloring allows easy identification of fraudster data. This is realized by visual inspection or automatic computer test. On basis of discriminant Fisher analysis automatic test is provided, which identifies blocks related to fraudsters concurrently from multidimensional blocks. Both methods feature low use of computing resources and low possibilities of first and second type errors.
EFFECT: higher efficiency.
8 cl, 29 dwg
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