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Asymptotics for ERGMs
Add to Calendar 2021-10-29T14:10:00 2021-10-29T15:00:00 UTC Asymptotics for ERGMs 327 Thomas Building, University Park, PA
Start DateFri, Oct 29, 2021
10:10 AM
to
End DateFri, Oct 29, 2021
11:00 AM
Presented By
David Hunter
Event Series: SMAC Talks

This talk will first explain a bit about exponential-family random graph models (ERGMs) for networks: What they are, their history, and challenges in fitting them using maximum likelihood estimation. Ordinarily, MLE is considered a gold standard of frequentist statistical estimation, partly because it has favorable asymptotic properties. Yet in the case of ERGMs for networks, the very idea of a consistent estimator is tricky to define: Letting the number of nodes tend to infinity, using a fixed data-generating parameter, can itself be problematic. The talk will present some published work on ideas that ameliorate this problem as well as some intriguing recent empirical results.