Social network analysis sna is the process of investigating social structures through the use of networks and graph theory it characterizes networked structures in terms of nodes individual actors people or things within the network . Social network analysis sna is a process of quantitative and qualitative analysis of a social network sna measures and maps the flow of relationships and relationship changes between knowledge possessing entities. Network analysis is the study of social relations among a set of actors it is a field of study a set of phenomena or data which we seek to understand in the process of working in this field network researchers have developed a set of distinctive theoretical perspectives as well. Social network analysis sna is the mapping and measuring of relationships and flows between people groups organizations computers urls and other connected information knowledge entities the nodes in the network are the people and groups while the links show relationships or flows between the nodes. Network analysis is based on the intuitive notion that these patterns are important features of the lives of the individuals who display them network analysts believe that how an individual lives depends in large part on how that individual is tied into the larger web of social connections
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