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Profile

Dr. Warahena Liyanage is originally from Sri Lanka and holds a B.S. degree in Statistics and Operations Research from University of Peradeniya, Sri Lanka. In 2015, he graduated from Indiana University of Pennsylvania with a M.S. degree in Applied Mathematics. After completing his M.S., he obtained his Ph.D. in Statistics and Analytics from Central Michigan University and joined the faculty of the Department of Mathematics at the University of Dayton in 2021.

Research interests

• Statistical distributions and modeling
• Statistical machine learning
• Data visualization
• Mathematics education

Selected publications

Warahena-Liyanage, G.; Oluyede, B.; Moakofi, T.; Sengweni, W. (2023). The New Exponentiated Half Logistic-Harris-G Family of Distributions with Actuarial Measures and Applications. Stats, 6, 773–801. 

Warahena-Liyanage, G., Famoye, F., & Lee, C. (2023). A Generalization of LASSO Modeling via Bayesian Interpretation. Austrian Journal of Statistics, 52(4), 15–45. 

Oluyede, B., & Warahena-Liyanage, G. (2023). The Gamma Odd Weibull Generalized-G Family of Distributions: Properties and Applications. Revista Colombiana de Estadística (Colombian Journal of Statistics), 46(1), 1-44. 

Wijetunge, T. M. K., Premadasa, K., Warahena-Liyanage, G., Collins, B., Appuhamy, A., & Ratnayake, J. K. (2022). A Tale of Two Continents: Factors Influencing Students to Major in Mathematics. Journal of Higher Education Theory and Practice, 22(14).

Wijetunge, T. M., Spann, A. G., Warahena-Liyanage, G., and St John, D. (2020). Significance of the Length of Instructions with Technology: What Pre-Service Teachers Say?. Journal of Educational Technology, 17(1), 22-34.

Pararai, M., Warahena-Liyanage, G., and Oluyede, B. O. (2017). Exponentiated power Lindley–Poisson distribution: Properties and applications. Communications in Statistics-Theory and Methods, 46(10), 4726-4755.

Oluyede, B., Foya, S., Warahena-Liyanage, G., and Huang, S. (2016). The log-logistic Weibull distribution with applications to lifetime data. Austrian Journal of Statistics, 45(3), 43-69.

Oluyede, B. O., Motsewabagale, G., Huang, S., Warahena-Liyanage, G., & Pararai, M. (2016). Dagum-poisson distribution: model, properties and application. Electronic Journal of Applied Statistical Sciences, 9(1), 169. 

Warahena-Liyanage, G., and Pararai, M. (2015). The Lindley power series class of distributions: model, properties and applications. Journal of Computations and Modelling, 5, 35-80.