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Disease maps display the spatial pattern in disease risk, so that high-risk clusters can be identified. The spatial structure in the risk map is typically represented by a set of random effects, which are modelled with a conditional…

Methodology · Statistics 2015-03-20 Duncan Lee

We consider spatially dependent functional data collected under a geostatistics setting, where locations are sampled from a spatial point process. The functional response is the sum of a spatially dependent functional effect and a spatially…

Methodology · Statistics 2021-06-18 Haozhe Zhang , Yehua Li

The World Health Organization (WHO) announced that COVID-19 was a pandemic disease on the 11th of March as there were 118K cases in several countries and territories. Numerous researchers worked on forecasting the number of confirmed cases…

Machine Learning · Computer Science 2020-11-10 Hoang Long Nguyen , Zhenhe Pan , Hashim Abu-gellban , Fang Jin , Yuanlin Zhang

Among various region embedding methods, graph-based region relation learning models stand out, owing to their strong structure representation ability for encoding spatial correlations with graph neural networks. Despite their effectiveness,…

Machine Learning · Computer Science 2023-05-09 Qianru Zhang , Chao Huang , Lianghao Xia , Zheng Wang , Zhonghang Li , Siuming Yiu

A novel spatiotemporal framework using diverse econometric approaches is proposed in this research to analyze relationships among eight economy-wide variables in varying market conditions. Employing Vector Autoregression (VAR) and Granger…

Econometrics · Economics 2025-03-25 Lutfu S. Sua , Haibo Wang , Jun Huang

Social distancing (SD) has been critical in the fight against the novel coronavirus disease (COVID-19). To aid SD monitoring, many technology companies have made available mobility data, the most prominent example being the community…

Social and Information Networks · Computer Science 2020-09-23 Gabriela Cavalcante da Silvaa , Sabrina Oliveirab , Elizabeth F. Wanner , Leonardo C. T. Bezerra

Spatio-temporal areal data can be seen as a collection of time series which are spatially correlated according to a specific neighboring structure. Incorporating the temporal and spatial dimension into a statistical model poses challenges…

This paper introduces a novel approach to spatio-temporal data analysis using metric geometry to study the propagation of COVID-19 across the United States. Using a geodesic Wasserstein metric, we analyse discrepancies between the density…

Physics and Society · Physics 2021-11-08 Nick James , Max Menzies , Howard Bondell

Socio-economic constructs and urban topology are crucial drivers of human mobility patterns. During the coronavirus disease 2019 pandemic, these patterns were reshaped in their components: the spatial dimension represented by the daily…

Early in the pandemic, counties and states implemented a variety of non-pharmacological interventions (NPIs) focused on mobility, such as national lockdowns or work-from-home strategies, as it became clear that restricting movement was…

Computers and Society · Computer Science 2024-05-21 Saad Mohammad Abrar , Kazi Tasnim Zinat , Naman Awasthi , Vanessa Frias-Martinez

We develop a novel temporal complex network approach to quantify the US county level spread dynamics of COVID-19. The objective is to study the effects of the local spread dynamics, COVID-19 cases and death, and Google search activities on…

Statistical Finance · Quantitative Finance 2020-10-06 Asim Kumer Dey , Toufiqul Haq , Kumer Das , Irina Panovska

In spatial regression models, spatial heterogeneity may be considered with either continuous or discrete specifications. The latter is related to delineation of spatially connected regions with homogeneous relationships between variables…

Methodology · Statistics 2023-10-17 Hao Guo , Andre Python , Yu Liu

In light of the outbreak of COVID-19, analyzing and measuring human mobility has become increasingly important. A wide range of studies have explored spatiotemporal trends over time, examined associations with other variables, evaluated…

Computers and Society · Computer Science 2023-02-17 Abdolmajid Erfani , Vanessa Frias-Martinez

COVID-19 had a strong and disruptive impact on our society, and yet further analyses on most relevant factors explaining the spread of the pandemic are needed. Interdisciplinary studies linking epidemiological, mobility, environmental, and…

Identifying long COVID symptoms is a challenging task, primarily due to the reliance on patient reports and the lack of disease specific biomarkers. The objective of this study is to identify individual long COVID symptoms, post COVID 19…

Other Quantitative Biology · Quantitative Biology 2025-10-02 Abdi Reza

Official freely available data about the number of infected at the finest possible level of spatial areal aggregation (Italian provinces) are used to model the spatio-temporal distribution of COVID-19 infections at local level. Data time…

Applications · Statistics 2020-03-23 Diego Giuliani , Maria Michela Dickson , Giuseppe Espa , Flavio Santi

Graph convolutional neural networks (GCNs) have shown tremendous promise in addressing data-intensive challenges in recent years. In particular, some attempts have been made to improve predictions of Susceptible-Infected-Recovered (SIR)…

Machine Learning · Statistics 2025-01-07 Petr Kisselev , Padmanabhan Seshaiyer

The COVID-19 pandemic has changed human life. To mitigate the pandemic's impacts, different regions implemented various policies to contain COVID-19 and residents showed diverse responses. These human responses in turn shaped the uneven…

Physics and Society · Physics 2024-04-17 Binbin Lin , Lei Zou , Mingzheng Yang , Bing Zhou , Debayan Mandal , Joynal Abedin , Heng Cai , Ning Ning

A nonlinear partial differential equation (PDE) based compartmental model of COVID-19 provides a continuous trace of infection over space and time. Finer resolutions in the spatial discretization, the inclusion of additional model…

Computational Engineering, Finance, and Science · Computer Science 2022-08-04 Sudhi P. V. , Victorita Dolean , Pierre Jolivet , Brandon Robinson , Jodi D. Edwards , Tetyana Kendzerska , Abhijit Sarkar

The COVID-19 pandemic has created an urgent need for mathematical models that can project epidemic trends and evaluate the effectiveness of mitigation strategies. To forecast the transmission of COVID-19, a major challenge is the accurate…

Physics and Society · Physics 2022-11-21 Kejie Chen , Yanqing Li , Rongxin Zhou , Xiaomo Jiang