Time-series data prediction is pivotal in addressing uncertainty, mitigating risks, optimizing resource allocation, and enhancing service quality. However, the complex nature of time-series data challenges accurate prediction. To address this issue, we propose a domain information self-augmenting extreme random tree model applied to time-series data prediction. We employ a time-series shifter to extract relationships among the data points, utilize a feature decomposition module to eliminate inherent noise from the original sequence, and leverage a generative adversarial network-based feature enhancement module to effectively capture static and spatiotemporal features of the time-series data. Furthermore, we optimized the parameters of our time prediction model. Taking public health emergencies as an example, we forecasted key indicators’ trends in different states of the United States. The experimental results demonstrate that our model performs well in predicting daily new cases during public health emergencies in Massachusetts, Maryland, and Washington State; however, it exhibits slight limitations when forecasting daily new deaths.
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