2013
DOI: 10.1093/biomet/ass084
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A central limit theorem in the  -model for undirected random graphs with a diverging number of vertices

Abstract: SUMMARY Chatterjee et al. (2011) established the consistency of the maximum likelihood estimator in the β-model for undirected random graphs when the number of vertices goes to infinity. By approximating the inverse of the Fisher information matrix, we obtain its asymptotic normality under mild conditions. Simulation studies and a data example illustrate the theoretical results.Some key words: β-model; Central limit theorem; Fisher information matrix.

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Cited by 90 publications
(68 citation statements)
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“…The next lemma, which is due to Yan and Xu (2013), shows that −H −1 N AA is wellapproximated by Q N (see also Simons and Yao (1998)). PROOF: See Proposition A.1 of Yan and Xu (2013).…”
Section: Qedmentioning
confidence: 91%
“…The next lemma, which is due to Yan and Xu (2013), shows that −H −1 N AA is wellapproximated by Q N (see also Simons and Yao (1998)). PROOF: See Proposition A.1 of Yan and Xu (2013).…”
Section: Qedmentioning
confidence: 91%
“…In the absence of covariates, its MLE large sample properties (for dense networks) are analyzed by Chatterjee, Diaconis, and Sly (2011) and Yan and Xu (2013), who call it the β-model. In this case, the distinction between "sender productivity" and "receiver attractiveness" for a given node disappears, but the parameters α i can be interpreted as the proclivity by node 35 Hoff (2005) parameterized the correlation between α out i and α in i , whereas Dzemski (2014) can allow for more general dependencies.…”
mentioning
confidence: 99%
“…Assuming that a unique ML solution exists and that N ij = 1 for all i = j, geometrically fast convergence to the fixed point was shown in [16] and [25]. Conditions for the asymptotic normality of the ML estimator when n tends to infinity and N ij = 1 for all i = j were presented in [26]. Necessary and sufficient conditions for the existence of a finite ML estimate were presented in [14], [25], and [27].…”
Section: A the Undirected β-Modelmentioning
confidence: 99%