Generalised shot noise Cox processes

被引:39
作者
Moller, J [1 ]
Torrisi, GL [1 ]
机构
[1] Aalborg Univ, Dept Math Sci, DK-9220 Aalborg, Denmark
关键词
cluster process; conditional simulation; Cox process; edge effect; generalised shot noise G Cox process; geometric ergodicity; Markov point process; Metropolis-Hastings algorithm; Palm distribution; perfect simulation; shot noise Cox process; spatial point process; summary statistic;
D O I
10.1239/aap/1113402399
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
We introduce a class of Cox cluster processes called generalised shot noise Cox processes (GSNCPs), which extends the definition of shot noise Cox processes (SNCPs) in two directions: the point process that drives the shot noise is not necessarily Poisson, and the kernel of the shot noise can be random. Thereby, a very large class of models for aggregated or clustered point patterns is obtained. Due to the structure of GSNCPs, a number of useful results can be established. We focus first on deriving summary statistics for GSNCPs and, second, on how to simulate such processes. In particular, results on first- and second-order moment measures, reduced Palm distributions, the J-function, simulation with or without edge effects, and conditional simulation of the intensity function driving a GSNCP are given. Our results are exemplified in important special cases of GSNCPs, and we discuss their relation to the corresponding results for SNCPs.
引用
收藏
页码:48 / 74
页数:27
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