This article discusses the stochastic actor-oriented model for analyzing panel data of
networks. The model is defined as a continuous-time Markov chain, observed at two or more …

The xergm package is an implementation of extensions to the exponential random graph
model (ERGM). It acts as a meta-package for multiple constituent packages. One of these …

This unique textbook provides an introduction to statistical inference with network data. The
authors present a self-contained derivation and mathematical formulation of methods …

This study used social network analysis, spatial measurement, and network statistical
analysis to study the relationships among countries in the global rare earth trade. Using data …

In social and economic networks linked agents often share additional links in common.
There are two competing explanations for this phenomenon. First, agents may have a …

This article reconciles two seemingly incompatible expectations about interpersonal
interaction and social influence. One theoretical perspective predicts that an increase in …

Purpose The research community currently employs four very different versions of the social
network concept: A social network is seen as a set of socially constructed role relations (eg …

Radical social movements are broadly engaged in, and dedicated to, promoting change in
their social environment. In their corresponding efforts to call attention to various causes …

Networks are systems that exhibit complex, interwoven structures. These systems can be
illuminating to describe and visualize, but most research agendas eventually arrive at either …

States form defensive military alliances to enhance their security in the face of potential or
realized interstate conflict. The network of these international alliances is increasingly …