105 publication(s) trouvée(s)
Article scientifique
Analysis of a mathematical model of human papillomavirus transmission dynamics with optimal control for cervical cancer prevention
This study presents a mathematical model that explains the transmission dynamics of high-risk Human Papillomavirus (HPV) and how it progresses …
Article scientifique
Impact of healthcare system collapse on hospital-acquired infection dynamics: a mathematical approach
The collapse of healthcare systems poses a serious threat to hospital environments, increasing the spread of nosocomial infections. Limited resources, …
Article scientifique
Decoding the future of agricultural participation: machine learning insights to unravel the plausible triggers
Introduction As agricultural participation continues to shift under the pressures of urbanization, climate change, and evolving socioeconomic conditions, understanding the …
Article scientifique
Deep learning-based pairs trading: real-time forecasting of co-integrated cryptocurrency pairs
Statistical arbitrage strategies, including pairs trading, rely on identifying co-movements and static long-term equilibrium relationships between assets, where conventional methods …
Article scientifique
An XGBoost–logistic regression hybrid stacking model for breast cancer outcome prediction
Background Accurate prediction of breast cancer outcomes remains challenging due to high-dimensional, imbalanced clinical datasets and the need to balance …
Article scientifique
Stochastic invasion thresholds for transmission-blocking symbionts and malaria control under environmental noise
Introduction Transmission-blocking symbionts may complement existing malaria vector-control tools, but their public-health value depends on two linked conditions: ecological establishment …
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Methodological guidance for predictor variable selection for adolescent smoking outcomes in Global Youth Tobacco Survey using R and Python
ABSTRACT Background The Global Youth Tobacco Survey (GYTS) is widely used to monitor tobacco use among adolescents worldwide. However, inconsistent …
Article scientifique
Extreme heat and disease burden in Southern Africa: a systematic review
Global climate change affects human populations, as well as aquatic and terrestrial ecosystems, highlighting the interconnected nature of the intervention …
Article scientifique
The new generalized odd Median Based Unit Rayleigh
Introduction In this paper, the author presents the generalized form of the Median-Based Unit Rayleigh (MBUR) distribution, a novel statistical …
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Evaluating two statistical methods for handling dropout impact in repeated measures data: a comparative study on missing at random assumption
Introduction Dropout is a major source of missing data in repeated measures studies and can bias statistical inference if not …
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Optimal portfolio selection in jump-uncertain stochastic markets via maximum principle and dynamic programming
This study develops a unified framework for optimal portfolio selection in jump–uncertain stochastic markets, contributing both theoretical foundations and computational …
Article scientifique
A diffusion-based HIV model with inflammatory cytokines and adaptive immune impairment
HIV continues to pose a critical threat to global public health, contributing to a high number of deaths worldwide. The …
Article scientifique
Artificial intelligence and exchange rate forecasting: assessing predictive accuracy and macroeconomic sensitivity
This study evaluates the effectiveness of Machine Learning (ML) models in forecasting the EUR/USD exchange rate from January 2014 to …
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A deep learning forecasting of downside risk: application of a combined ESRNN-VAE
Introduction Traditional time-series models such as the ARIMA and the Generalized Autoregressive Conditional Heteroscedasticity depend nonlinear dynamics and stationarity, limiting …
Article scientifique
New robust estimators for the fixed effects negative binomial model: a simulation and real-world applications to European panel data
This study introduces a more flexible approach by employing the fixed effects negative binomial model to address challenges associated with …
Article scientifique
Application of a joint multivariate probit model for mixed outcomes of CD4 cell count and tuberculosis using a Bayesian latent variable approach in KwaZulu-Natal
HIV and tuberculosis (TB) remain closely linked public health threats in sub-Saharan Africa, with South Africa bearing the highest burden …
Article scientifique
Individual-based multiscale model for foot-and-mouth disease
The study of infectious disease dynamics across various hierarchical levels and scales of organization has gained significant attention in the …
Article scientifique
Improving immunization initiatives in the dynamics of a typhoid fever transmission model with environmental bacteria concentration
Typhoid fever is a potentially fatal disease and endemic to most parts of the world. It is a serious worldwide …
Article scientifique
Forecasting South African grain prices and assessing the non-linear impact of inflation and rainfall using a dynamic Bayesian generalized additive model
Introduction Accurate price forecasts and the evaluation of some of the factors that affect the prices of grains are crucial …
Article scientifique
Cumulative hazard ratio estimation for adverse events data from two-stage dynamic treatment regimes
Accurate analysis of adverse events in two-stage dynamic treatment regimes is complicated by the presence of competing risks, such as …