Author

O. Alqasem

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Open access Sep 2026

A novel inverse statistical distribution: theoretical development with applications to reliability and environmental data

Modeling real-world data is important in engineering, finance, environmental science, and medical science. Probability distributions are widely used to model such data. However, no single distribution can adequately fit all types of data, which creates a need for flexible distributions. In this study, a new extension...

O. Alqasem, A. Gemeay, S. Bashiru et al. · Boundary Value Problems · 0 citations

Open access Oct 2026

A new quantile regression model for bounded responses: mathematical derivation, estimation, and fitting bounded datasets

Bounded response variables, such as rates, proportions, and indices, frequently arise in the applied sciences and require regression models that respect the unit interval support, rather than relying on Gaussian regression. In this work, we propose a new regression model for continuous bounded data based on the unit...

O. Alqasem, A. Gemeay, D. Alnagar et al. · Boundary Value Problems · 0 citations

Jul 2026

On Estimation and Prediction in Mixed Poisson Regression Models for Overdispersed Count Data with Multicollinearity

Mixed Poisson regression models are widely used for analyzing count data across diverse disciplines, owing to their ability to accommodate overdispersion. A persistent challenge in such models, however, is multicollinearity among explanatory variables, which undermines the reliability of regression coefficient estimate...

O. Alqasem, A. Hammad, M. El-Qurashi et al. · International Journal of Unc... · 0 citations