Mathematics > Statistics Theory
[Submitted on 12 Sep 2007 (v1), last revised 13 Jan 2010 (this version, v4)]
Title:Campbell equilibrium equation and pseudo-likelihood estimation for non-hereditary Gibbs point processes
View PDFAbstract: In this paper, we study Gibbs point processes involving a hardcore interaction which is not necessarily hereditary. We first extend the famous Campbell equilibrium equation, initially proposed by Nguyen and Zessin [Math. Nachr. 88 (1979) 105--115], to the non-hereditary setting and consequently introduce the new concept of removable points. A modified version of the pseudo-likelihood estimator is then proposed, which involves these removable points. We consider the following two-step estimation procedure: first estimate the hardcore parameter, then estimate the smooth interaction parameter by pseudo-likelihood, where the hardcore parameter estimator is plugged in. We prove the consistency of this procedure in both the hereditary and non-hereditary settings.
Submission history
From: Frederic Lavancier [view email][v1] Wed, 12 Sep 2007 11:04:49 UTC (16 KB)
[v2] Wed, 6 Feb 2008 08:46:09 UTC (17 KB)
[v3] Fri, 3 Apr 2009 12:53:06 UTC (22 KB)
[v4] Wed, 13 Jan 2010 14:05:06 UTC (120 KB)
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