Drzewa decyzyjne w statystycznej analizie decyzji na przykładzie wirtualnych łańcuchów dostaw

The aim of this article is to measure the influence of: IT and communication systems logistic competences and the transport-spedition-logistic branch on the development of virtual supply chain. Moreover, actions enabling the effective formation of virtual supply chains in the enterprises are proposed. Based on results of the survey of Silesian businesses having significant influence on regional development and the competitiveness of the economy, a statistical analysis of decisions taken in the field of logistics was carried out by applying decision trees technique.