本文说明的空间回归模型为空间延迟模型(spatial autocorrelation model),另有空间误差模型(spatial error model) 的设定方式,本文不拟进行说明,有兴趣的读者可参阅邓志松(2006) 的说明。
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Methods:Based on the spatial correlation or autocorrelation hypothesis, the spatial semivariograms model of HFRS was built, and the fractal D of HFRS was calculated by its semivariograms model.
方法：在疾病空间相关自相关假设下，构造疾病空间分布变异函数模型，应用变异函数计算HFRS的空间分维D值。
Through comparison with the classic logistic model without considering the spatial autocorrelation, this model showed better goodness of fitting and higher accuracy of fitting.
实验与分析结果表明，改进的空间分析模型拟合优度、拟合精度都有较大的提高。
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