  Communication devices (mobile networks, social media platforms) are produced
digital traces for their users either voluntarily or not. This type of
collective data can give powerful indications on their effect on urban systems
design and development. For understanding the collective human behavior of
urban city, the modeling techniques could be used. In this study the most
important feature of human mobility is considered, which is the radius of
gyration . This parameter is used to measure how (far /frequent) the
individuals are shift inside specific observed region.
