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Trivariate non-Gaussian copulas to analyze the spatial behavior of rat sightings

机译:三元非高斯copulas分析老鼠瞄准的空间行为

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The brown rat lives with man in a wide variety of environmental contexts and adversely affects public health by transmission of diseases, bites, and allergies. Understanding behavioral and spatial correlation aspects of pest species can contribute to their effective management and control. Rat sightings can be described by spatial coordinates in a particular region of interest defining a spatial point pattern. In this paper, we investigate the spatial structure of rat sightings in the Latina district of Madrid (Spain) and its relation to a number of distance-based covariates that relate to the proliferation of rats. Given a number of locations, biologically considered as attractor points, the spatial dependence is modeled by distance-based covariates and angular orientations through copula functions. We build a particular spatial trivariate distribution using univariate margins coming from the covariate information and provide predictive distributions for such distances and angular orientations.
机译:褐鼠在各种环境中与人同住,并通过疾病,叮咬和过敏的传播对公共健康产生不利影响。了解有害生物物种的行为和空间相关方面可有助于其有效管理和控制。可以通过定义空间点模式的特定感兴趣区域中的空间坐标来描述老鼠的目击事件。在本文中,我们研究了马德里拉丁区(西班牙)中大鼠目视的空间结构及其与许多与大鼠增殖有关的基于距离的协变量的关系。给定许多位置(生物学上被视为吸引点),通过基于距离的协变量和通过copula函数的角度方向对空间依赖性进行建模。我们使用来自协变量信息的单变量边际来构建特定的空间三变量分布,并为此类距离和角度方向提供预测分布。

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