应用分支过程的COVID-19流行病发展的统计建模
D Atanasov1, Vessela Stoimenova2, Nikolay M Yanev3
1Department of Informatics, New Bulgarian University, Sofia, Bulgaria.
Journal of applied statistics
|August 2, 2023
概括
这项研究引入了一个使用分支过程来估计COVID-19感染率和预测未观察到病例的统计模型. 该模型有效地利用每日感染数据进行准确的参数估计.
科学领域:
- 流行病学 流行病学
- 数学建模的数学建模
- 统计分析 统计分析
背景情况:
- 准确估计COVID-19感染动态对于公共卫生至关重要.
- 现有的模型往往需要大量的数据,这些数据并不总是可用.
- 存在对模型的需求,这些模型可以从有限的观察数据中估计参数.
研究的目的:
- 开发和介绍一个统计模型来估计COVID-19感染动态.
- 为了利用观察到的每日感染病例数据进行参数估计.
- 预测未观察到的感染人口的平均值.
主要方法:
- 应用两种类型的分支过程 (有和没有移民).
- 统计模型仅基于观察到的每日感染的个体.
- 感染动态的参数估计.
主要成果:
- 拟议的模型成功估计了关键的感染参数.
- 为未观察到的感染人口的平均值生成预测.
- 该模型证明了在全球不同地区的适用性.
结论:
- 开发的统计模型为使用可访问数据分析COVID-19传播提供了强大的方法.
- 分支过程模型为流行病学参数估计提供了可行的替代方案.
- 这种方法提高了理解和预测感染动态的能力,即使官方报告有限.
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