ergm 4: New Features for Analyzing Exponential-Family Random Graph Models

ergm 4: New Features for Analyzing Exponential-Family Random Graph Models

: statnet, ERGM, exponential-family random graph models, valued networks.

The ergm package supports the statistical analysis and simulation of network data. It
anchors the statnet suite of packages for network analysis in R introduced in a special issue
in Journal of Statistical Software in 2008. This article provides an overview of the new
functionality in the 2021 release of ergm version 4. These include more flexible handling of
nodal covariates, term operators that extend and simplify model specification, new models
for networks with valued edges, improved handling of constraints on the sample space of
networks, and estimation with missing edge data. We also identify the new packages in the
statnet suite that extend ergm’s functionality to other network data types and structural
features and the robust set of online resources that support the statnet development
process and applications.

Pavel N. Krivitsky

https://www.jstatsoft.org/article/view/v105i06

University of New South Wales

January 2023

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