COVID-19疫情的时间动态和未来预测:以数据为导向的方法
1Department of Mechanical & Aerospace Engineering, The Ohio State University, Columbus, OH 43210 USA.
概括
由于不切实际的衰变率,传统的流行病模型往往低于预测最终的流行病规模. 本研究介绍了两种数据驱动模型,用于在衰退阶段更准确的长期流行病预测.
科学领域:
- 流行病学 流行病学
- 数据科学数据科学数据科学
- 数学建模的数学建模
背景情况:
- 流行病学模型经常预测对称的感染曲线 (高斯分布).
- 最近的COVID-19数据显示,感染衰退速度比传统模型预测的要慢.
- 这导致低估了最终的流行病规模.
研究的目的:
- 开发改进的数据驱动模型,用于流行病预测.
- 准确预测流行病的衰变阶段.
- 解决传统流行病学模型预测不足的问题.
主要方法:
- 提出了两种数据驱动模型:高斯式和零碎线性适合在下降期间的感染率.
- 对于尚未下降的国家,模型使用流行病学峰值预测,并为缓慢下降进行调整.
- 数据驱动型与流行病学模型的比较分析.
主要成果:
- 数据驱动型号在预测流行病衰变方面提供了更高的准确性.
- 与标准模型相比,提出的方法提供了更现实的预测.
- 在受严重影响国家的数据上表现出有效性.
结论:
- 数据驱动的方法对于准确的流行病预测至关重要,特别是在衰退阶段.
- 拟议的模型提高了预测最终流行病规模的可靠性.
- 这些方法为公共卫生政策和资源分配提供了有价值的工具.
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