LEVY-BASED COX POINT PROCESSES

被引:36
作者
Hellmund, Gunnar [1 ]
Prokesova, Michaela
Jensen, Eva B. Vedel [1 ]
机构
[1] Univ Aarhus, Dept Math Sci, TN Thiele Ctr Appl Math Nat Sci, DK-8000 Aarhus C, Denmark
关键词
Cox process; infinitely divisible distribution; inhomogeneity; kernel smoothing; Levy basis; log Gaussian Cox process; mixing; product density; shot noise Cox process;
D O I
10.1239/aap/1222868178
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
In this paper we introduce Levy-driven Cox point processes (LCPs) as Cox point processes with driving intensity function A defined by a kernel smoothing of a Levy basis (an independently scattered, infinitely divisible random measure). We also consider log Levy-driven Cox point processes (LLCPs) with A equal to the exponential of such a kernel smoothing. Special cases are shot noise Cox processes, log Gaussian Cox processes, and log shot noise Cox processes. We study the theoretical properties of Levy-based Cox processes, including moment properties described by nth-order product densities, mixing properties, specification of inhomogeneity, and spatio-temporal extensions.
引用
收藏
页码:603 / 629
页数:27
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