Metody klasyfikacyjne danych w analizach wirtualnych łańcuchów dostaw

In this paper the classification of data obtained in the survey of Silesian businesses is presented. The survey was aimed at production, commerce and service enterprises, The main objective was to classify the factors determining the virtual supply chain consisting of IT and communication systems logistic competences and the transport-spedition-logistic branch. Due to the qualitative and quantitative character of variables, methods based on varying similarity measures were used.