Publications
- S. Hossain and Ghahramani, M. (2025+). Shrinkage estimation of integer autoregressive processes of order one with covariates. Submitted.
- Kaye, I.A.*, Axalan, A.M.*, Casson, N.J., and Ghahramani, M. (2021). Temporal trends in frost days from 1917-2017 across northeastern North America: An application of generalized additive mixed model framework to assess changes in seasonality, Working Paper.
- A. Axalan*, Ghahramani, M. and Slonowsky, D. (2024). Time series regression models for zero-inflated proportions. Journal of Statistical Computation & Simulation.
- Ghahramani, M., White, S.S*. and de Leon, A.R. (2022). An empirical comparison of parametric and semi-parametric time series regression models for over-dispersed count data. Journal of Statistics & Management Systems, https://doi.org/10.1080/09720510.2021.1960550
- Ghahramani, M. and White, S.S.* (2020).Time series regression for zero-inflated and overdispersed count data: a functional response model approach. Journal of Statistical Theory and Practice, 14 (29). Article
- Thomson, T.*, Hossain, S. and Ghahramani, M. (2016). Efficient Estimation For Time Series Following Generalized Linear Models. Australian & New Zealand Journal of Statistics.
- Hossain, S. and Ghahramani, M. (2016). Shrinkage Estimation of Linear Regression Models with GARCH Errors. Journal of Statistical Theory & Applications, 15(4), 405-423. doi:10.2991/jsta.2016.15.4.8
- Thomson, T.*, Hossain, S. and Ghahramani, M. (2015). Application of shrinkage estimation in linear regression models with autoregressive errors. Journal of Statistical Computation and Simulation.
- Ghahramani, M., H. Zheng, P.W. Whitfield, and C.B. Dean. (2012). Statistical Modelling of Temporary Streams in Canadian Prairie Provinces, Canadian Water Resources Journal, 37(4), 373-389.
- Ghahramani, M., and Thavaneswaran, A. (2012). Nonlinear recursive estimation of volatility via estimating functions. Journal of Statistical Planning & Inference, 142(1), 171-180.
- Frank, J., Ghahramani, M., and Thavaneswaran, A. (2011). Seasonality in Stochastic Volatility Models. In JSM Proceedings, Business and Economic Statistics Section. Alexandria, VA: American Statistical Association, pp. 3424-3428.
- Thavaneswaran, A., and Ghahramani, M. (2011). On some properties of Stochastic Conditional Duration models, Journal of Statistical Theory & Applications, 10(4), 571-580.
- Farhadi, H. and Ghahramani, M. (2011). A Note on Independence of Quadratic Forms. Journal of Statistical Theory & Applications, 10(3), 533-?.
- Ghahramani, M., and Thavaneswaran, A. (2009). On some properties of the Autoregressive Conditional Poisson (ACP) models. Economics Letters, 105, 273-275.
- Ghahramani, M., and Thavaneswaran, A. (2009). Combining Estimating Functions for Volatility. Journal of Statistical Planning & Inference, 139(4), 1449-1461. [This article has been selected as one of the Top 25 Hottest Articles for January-March, 2009 by ScienceDirect.]
- Thavaneswaran, A., Appadoo, S.S. and Ghahramani, M. (2009). RCA Models With GARCH Errors. Applied Mathematics Letters, 22(1), 110-114.
- Ghahramani, M., and Thavaneswaran, A. (2008). A Note on GARCH Model Identification, Computers & Mathematics with Applications, 55(11), 2469-2475.
- Thavaneswaran, A., and Ghahramani, M. (2008). Volatility Forecasts With GARCH Errors And Applications, Journal of Statistical Theory & Applications, 7(1), 69-80.
- Ghahramani, M., and Thavaneswaran, A. (2007). Identification of ARMA Models with GARCH Errors, The Mathematical Scientist, 32(1), 60-69.
- Ghahramani, M., and Thavaneswaran, A. (2006). Financial Aplications of ARMA Mdels with GARCH Errors, Journal of Risk Finance 7(5), 525-543.
- Ghahramani, M., and Thavaneswaran, A. (2006). Improved Estimation of Volatility with Some Applications, Journal of Statistical Theory & Applications, 5(3), 260-270.
- Ghahramani, M., and Thavaneswaran, A. (2005). Moment properties of Hidden Semimartiangle (HSM) models with GARCH errors, InterStat. [PDF]
- Thavaneswaran, A. and Ghahramani, M. (2005). Forecasting with structural change, InterStat. [PDF]
- Appadoo, S., Ghahramani, M., and Thavaneswaran, A. (2005). Moment properties of some time series models, The Mathematical Scientist, 30, 56-63.
- Thavaneswaran, A. and Ghahramani, M. (2004). Applications of combining estimating functions, Proceedings of the International Sri Lankan Conference: Visions of Futuristic Methodologies, University of Peradeniya and Royal Melbourne Institute of Technology (RMIT).
- Ghahramani, M., Dean, C.B., and Spinelli, J. (2001). Simultaneous Modeling of Operative Mortality and Long-term Survival after Coronary Artery Bypass Surgery, Statistics in Medicine, 20, 1931-1945. [PDF]