Predicting seasonal influenza using supermarket retail records

• URL: http://arxiv.org/abs/2012.04651v2
• Date: Thu, 17 Dec 2020 14:17:25 GMT
• Title: Predicting seasonal influenza using supermarket retail records
• Authors: Ioanna Miliou, Xinyue Xiong, Salvatore Rinzivillo, Qian Zhang, Giulio Rossetti, Fosca Giannotti, Dino Pedreschi, Alessandro Vespignani
• Abstract summary: We consider supermarket retail data as a proxy signal for influenza, through the identification of sentinel baskets. We make use of the Support Vector Regression (SVR) model to produce the predictions of seasonal flu incidence.
• Score: 59.18952050885709
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Increased availability of epidemiological data, novel digital data streams, and the rise of powerful machine learning approaches have generated a surge of research activity on real-time epidemic forecast systems. In this paper, we propose the use of a novel data source, namely retail market data to improve seasonal influenza forecasting. Specifically, we consider supermarket retail data as a proxy signal for influenza, through the identification of sentinel baskets, i.e., products bought together by a population of selected customers. We develop a nowcasting and forecasting framework that provides estimates for influenza incidence in Italy up to 4 weeks ahead. We make use of the Support Vector Regression (SVR) model to produce the predictions of seasonal flu incidence. Our predictions outperform both a baseline autoregressive model and a second baseline based on product purchases. The results show quantitatively the value of incorporating retail market data in forecasting models, acting as a proxy that can be used for the real-time analysis of epidemics.

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