2Network Statistics and Related Concepts

DOI: 10.1201/9781003088066-2

In this chapter, the representation of a network as a graph and introduction of the elementary characteristics of networks from degree-to-degree distributions, paths to distances and learnings pertaining to distinguishing weighted, directed and bipartite networks have been discussed.

2.1 NETWORKS AND GRAPHS

Networks/graphs are a collection of objects where some pairs of objects are connected by links.

Figure 2.1 shows a real-time network (complex network) with lots of nodes and edges. Dots are nodes that represent the individuals and edges represent the connection among them.

FIGURE 2.1 Network

A network often refers to real systems such as the web, social networks and metabolic networks, and the language that is used for this is: network, node, ...

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