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Discussion on the paper by Handcock, Raftery and Tantrum

Research output: Contribution to journalComment/debatepeer-review

Published
<mark>Journal publication date</mark>1/03/2007
<mark>Journal</mark>Journal of the Royal Statistical Society: Series A Statistics in Society
Issue number2
Volume170
Number of pages2
Pages (from-to)328-329
Publication StatusPublished
<mark>Original language</mark>English

Abstract

I congratulate the authors for their interesting paper. However, it seems that the Markov chain Monte Carlo sampling scheme that was used results in extremely slow mixing, requiring 2 million iterations with only every 1000th iteration being used. One aspect of this slow mixing relates to a problem that was encountered by Leslie et al. (2006).

Bibliographic note

Model-based clustering for social networks by Handcock, Raftery and Tantrum