Graphical Models of Structural Relations between Variables and their Application to Russian Regions (Part One)
The article deals with variables structure. A summary of dependence trees and graphical models with a special em-phasis on Dempster covariance selection method in part one is followed in the second part by a description of a modi-fication of the latter developed by the author. An application of the obtained results to comparative study of Russian regions will be also given in part two
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