This paper presents an overview of some general concepts and techniques of an adequacy estimation of simulation models of the banking business processes. A proposal on specific requirements for computer simulation models to banking activity re-engineering and optimization is formulated.

The second part of the article continues studying the structure of a set of variables. It consists of two pieces: (1) de-scription of a modification of Dempster covariance selection algorithm based on its combination with that of tree dependence structures construction, simulation results,...