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math.ST2015★ 4 cited
Priors on exchangeable directed graphs
Diana Cai, Nathanael Ackerman, Cameron Freer
Directed graphs occur throughout statistical modeling of networks, and exchangeability is a natural assumption when the ordering of vertices does not matter. There is a deep struct…
math.ST2014★ 8 cited
An iterative step-function estimator for graphons
Diana Cai, Nathanael Ackerman, Cameron Freer
Exchangeable graphs arise via a sampling procedure from measurable functions known as graphons. A natural estimation problem is how well we can recover a graphon given a single gra…