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利用深度自回归神经 Prophet 模型进行早期大流行评估的预测性医疗保健建模。

Predictive healthcare modeling for early pandemic assessment leveraging deep auto regressor neural prophet.

机构信息

Nagaland University, Dimapur, 797112, Nagaland, India.

Maharaja Srirama Chandra Bhanjadeo University, Baripada, 757003, Odisha, India.

出版信息

Sci Rep. 2024 Mar 4;14(1):5287. doi: 10.1038/s41598-024-55973-y.

Abstract

In this paper, NeuralProphet (NP), an explainable hybrid modular framework, enhances the forecasting performance of pandemics by adding two neural network modules; auto-regressor (AR) and lagged-regressor (LR). An advanced deep auto-regressor neural network (Deep-AR-Net) model is employed to implement these two modules. The enhanced NP is optimized via AdamW and Huber loss function to perform multivariate multi-step forecasting contrast to Prophet. The models are validated with COVID-19 time-series datasets. The NP's efficiency is studied component-wise for a long-term forecast for India and an overall reduction of 60.36% and individually 34.7% by AR-module, 53.4% by LR-module in MASE compared to Prophet. The Deep-AR-Net model reduces the forecasting error of NP for all five countries, on average, by 49.21% and 46.07% for short-and-long-term, respectively. The visualizations confirm that forecasting curves are closer to the actual cases but significantly different from Prophet. Hence, it can develop a real-time decision-making system for highly infectious diseases.

摘要

在本文中,神经预测器(NP),一个可解释的混合模块化框架,通过添加两个神经网络模块;自回归(AR)和滞后回归(LR),提高了大流行的预测性能。采用先进的深度自回归神经网络(Deep-AR-Net)模型来实现这两个模块。通过 AdamW 和 Huber 损失函数对增强型 NP 进行优化,以与 Prophet 进行多维多步预测。该模型使用 COVID-19 时间序列数据集进行验证。对印度进行长期预测时,研究了 NP 的组件效率,并与 Prophet 相比,AR 模块的 MASE 降低了 60.36%,LR 模块降低了 53.4%。Deep-AR-Net 模型降低了 NP 的预测误差,对于所有五个国家,平均而言,短期和长期的预测误差分别降低了 49.21%和 46.07%。可视化结果证实,预测曲线更接近实际情况,但与 Prophet 有显著差异。因此,它可以为高传染性疾病开发一个实时决策系统。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6af9/10912208/f4f9aa47cd68/41598_2024_55973_Fig1_HTML.jpg

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