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Researches in the Department carried out by staff, special degree students and postgraduate students cover a wide range of topics relevant to the field of Statistics.

PhD /M.Phill. /M.Sc. Research :

 

Name of the Supervisor Name of the Student Research Topic Year Degree
B.M.S.G BannehekaC. Abeysena. K.D.V.F. Siriwardana Statistical Analysis on age at natural menopause of women in Sri Lanka 2011 M.Phill.
B.M.S.G Banneheka Keminda Herath M. P. Dhanushika Statistical Process Control (SPC) in Quality Assurance of Crepe Rubber Industry in Sri Lanka 2012 M.Phill.
C. D. TilakaratneR. S. LokupitiyaLiwan Liyanage H A Pathberiya Forecasting the EUR/USD Exchange Rate Exploring Dynamic Impacts from News Based on Economic Indicators. 2013 M.Phill.
R. S. Lokupitiya T. S. Talagala Wavelet Analysis and Distributed Lag Nonlinear Modeling Approaches to Identify Dengue Dynamics and Climate Variability in Sri Lanka 2013 M.Sc.
R. S. LokupitiyaR. G. M. MeegamaE. Y. K. Lokupitiya K. M. P. Perera Estimation of Carbon Fluxes for the South Asian Region using Maximum Likelihood Ensemble Filter (MLEF) 2014 PhD

 

Research Publications:

 Banneheke B. M. S. G.

 Journal Articles:

Hasini Banneheke, Sarath Paranavitane, Vathsala Jayasuriya and Sarath Banneheka. Perceived Risk of Dengue in Ones Living Environment as a Determinant of Behavior Change Through Social Mobilization and Communication: Evidence from a High Risk area in Sri Lanka. Journal of Arthropod-Borne Diseases. To appear.

Sarath Banneheka and Ilya Bystrov. Are Economic Sanctions Growth Killers? STUDIA UNIVERSITATIS PETRU MAIOR SERIES OECONOMICA, 2014, Volume 1/2014, pp. 1-10.

B.M.S.G. Banneheka, M.P. Dhanushika, Wasana Wijesuriya and Keminda Herath. Alinear programming approach to fitting an upper quadratic boundary line to natural rubber data. Journal of National Science Foundation Sri Lanka (2013). Vol 41 (1):13- 20

H.A.C.K. Hettiarachchi and B.M.S.G. BannehekaTime series regression and artificial neural network approaches for forecasting unit price of tea at Colombo auction. Journal of National Science Foundation Sri Lanka (2013). Vol 41 (1):35-40

H.P. Thanuja Nilanthi Silva and B.M. Sarath Gamini BannehekaFactors associated with mathematics results at G.C.E. (O/L) Examination. Vidyodaya Journal of Humanities and Social Sciences (2011). Vol 3, pp 23-43

Banneheka B.M.S.G. Confidence intervals for the median of a gamma distribution. Vidyodaya Journal of Science (2010). Vol 15, pp 37-43

Banneheka B.M.S.G. and Ekanayake G.E.M.U.P.D. A new point estimator for the median of gamma distribution. Vidyodaya Journal of Science (2009). Vol 14., pp 95-103

Paramjit S. Gill, Sarath G. Banneheka, Tim B. Swartz. Tests concerning equicorrelation matrices with grouped normal data. Communications in Statistics- Theory and Methods 2005,34: 857-873

Banneheka, Sarath G., Richard D. Routledge and Carl J. Schwarz. Stratified two- sample tag-recovery census of closed populations. 1997. Biometrics 53(4):1212-1224.

Banneheka, S., Routledge, R. D., and Guthrie, I. Estimation of in-river fish passage using a combination of transect and stationary hydroacoustic sampling. 1995. Canadian J. Fish Aquat. Sci. 52: 335-343.

Conference Proceedings:

K.D.V.F. Siriwardana, B.M.S.G. Banneheka, C. Abeysena. Factors Associated with the Age at Natural Menopause of Women in Sri Lanka. Proceedings of the International Statistics Conference Sri Lanka (abstracts) 2014. pg 218.

W.J.L.A. Damayanthi, B.M.S.G. Banneheka. Statistical Model For Body Fat Assessment Using Anthropometric Indices, Proceedings of the International Statistics Conference Sri Lanka (abstracts) 2014. pg 239.

V. N. C. Vidanage, S. Weerakoon, B. M. S. G. Banneheka.Analysis of university students academic performance according to the gender and z-scores at the A/L. Proceedings of SLAAS annual sessions, 2012.

Banneheka B M S G, Dhanushika M P, Wasana Wijesuriya and Keminda Herath. A novel method to t boundary line model for evaluating maximum response. Proceedings of the International Statistics Conference 2011 (abstracts). pg. 88.

H.A.C.K Hettiarachchi and B.M.S.G. BannehekaForecasting unit price of tea at colombo acution center using time series regression and artificial neural network approches. Proceedings of the International Statistics Conference 2011 (abstracts). pg 93.

Kumbalatara K.A.C.D and Banneheka B.M.S.GA combined test for the median. Proceedings of 66th SLAAS annual sessions, Sri Lanka, 2010 (abstracts). pg. 90.

Perera K.M.P. and Banneheka B.M.S.G. Time series forecasting models for air temperature at Katunayake. Proceedings of 64th annual sessions, SLAAS, Sri Lanka, 2008.

Dias P.

 Journal articles:

Pathberiya H. A., and Dias, P. Modelling electricity sales in Sri Lanka and Colombo city using different statistical methods. Journal of the National Science Foundation of Sri Lanka, 2013, Vol. 41, No. 1, pp. 41-51.

De Silva VA, Senanayake SM, Hanwella R , and Dias, P. From pesticides to medicinal drugs: time series analyses of methods of self-harm in Sri Lanka. Bull. World Health Organ. 2012. 90(1): pp.40-66.

Ranil D. De silva, Rukmal Silva, Chandu De Silva, W. S. L. Gunasekera, R. W. Jayesekera and Dias, P. Comparison of the configuration of the posterior bifurcation of the posterior communicating artery between fetal and adult brains: A study of Sri Lankan Population, Annals of Indian Academy of Neurology, 2010, Vol. 13, Issue 3.

Conference proceedings:

Pathberiya H. A. and Dias P., Modeling Electricity Consumption in Sri Lanka and in Colombo: A Comparison of Approaches. Proceedings of the International Statistics Conference. 2011 (abstracts). pp. 102. Institute of Applied Statistics, Sri Lanka.

K.D.V.F. Siriwardena and Dias, P. Statistical Model for Early Warning of Floods of Kalu Ganga below Ellagawa,, Proceedings of the International Statistical Conference, 2009, Applied Statistics Association of Sri Lanka.

Dias, P. Life Skills Assessment as a Teaching Tool to improve Cognitive and Employability Skill. Proceedings of the SDC-SLAIHEE March Conference on Improving higher Education Effectiveness in Sri Lanka. 2007. Staff Development Centre, University of Colombo.

Dias, P. Facilitating deep learning by improving study skills of undergraduates, Proceedings of the SDC-SLAIHEE Conference on Improving Higher education Effectiveness in Sri Lanka. 2006. Staff Development Centre, University of Colombo.

Dias, P. Achieving higher cognitive skills through student-centred learning in teaching data analysis to undergraduates. Proceedings of the SDC-SLAIHEE conference on Improving Higher Education Effectiveness in Sri Lanka. 2005. Staff Development Centre, University of Colombo.

Samanthi, W.G., Dias, P Liyanage, M. L., and Watugala, G. K.Mathematical models for rainfall-runoff relationships. Proceedings of the annual sessions-55. 1999. Sri Lanka Association for the Advancement of Science.

Geeganage, S. D. L., Dias, P. and Weerakoon, S. Estimating parameters of a mixture of two exponential distributions. Proceedings of the first annual research sessions. 1995. Faculty of Graduate Studies, University of Sri Jayewardenepura.
 

Pathberiya, H. A.

 Journal articles:

Pathberiya H. A. and Dias P. (2013). ‘Modelling electricity sales in Sri Lanka and Colombo city using different statistical methods’, Journal of the National Science Foundation of Sri Lanka, vol. 41(1), pp.41-51.

Conference Proceedings:

Pathberiya, H. A., Tilakaratne, C. D. & Hansen, L. L. (2014). ‘Modelling the EUR/USD return volatility on the days of simultaneous releases of economic indicators: Unemployment rate and Non-farm payroll’, Proceedings of the International Forum for Mathematical Modelling 2014, Colombo, Sri Lanka.

Pathberiya H. A., Tilakaratne C. D., Hansen L. L. and Lokupitiya R. S. (2014). ‘Modeling EUR/USD return volatility incorporating long run co-movements in exchange rates and US economic indicators’, Proceedings of the International Statistics Conference 2014., Institute of Applied Statistics Sri Lanka.

Pathberiya H. A., Tilakaratne C. D., Hansen L. L. and Lokupitiya R. S. (2013). ‘Model free evaluation of intraday periodicities of exchange rate return volatility’, Proceedings of the 69th Annual Sessions, 2013, Sri Lanka Association for the Advancement of Science, pp. 254.

Pathberiya H. A. and Dias P., Modeling Electricity Consumption in Sri Lanka and in Colombo – A Comparison of Approaches, Proceedings of the International Statistics Conference 2011 (abstracts). pp. 102. (Presented at the conference).

 

Perera K. M. P.

Conference Proceedings:

K.M.P. Perera and B.M.S.G. Banneheka (2008). Time series forecasting models for air temperature at Katunayake, Proceedings of the 64 th Annual Session of the Sri Lanka Association for the Advancement of Science, 120pp.

Talagala T. S.

Journal Articles:

Talagala P. D., & Talagala T. S (2014). Export growth and diversification of Sri Lanka’s major product sectors, American International Journal of Research in Science, Technology, Engineering & Mathematics, 5(2), December 2013 – February 2014, pp. 153-157

Conference Proceedings:

Talagala T. S., & Talagala P. D. (2014).Learning style preferences of first year statistics undergraduates, International Statistics Conference –2014, organized by Institute of Apllied Statistics, Sri Lanka jointly with Department of Bioinformatics and Biostatistics, University of Louisville, USA

Talagala T. S., & Kalukottege C. J. P. (2014). Factors associated with consumers’ awareness and use of information on food labels, International Forum for Mathematical Modelling, Research and Development Center for Mathematical Modeling attached to Department of Mathematics, University of Colombo. This was organized under the DAAD (German Academic Exchange Program) partnership program in collaboration with University of Kaiserslautern, Germany, Kathmandu University, Nepal, Institute of Technology Bandung, Indonesia and the Center for Computational Continuum Mechanics, Slovenia

Talagala P. D.,& Talagala T. S. (2014). Skills demanded by employers from fresh graduates immediately after completing their university education, Annual Research Conference –2014, National School of Business Management, Sri Lanka.

Talagala T. S. (2013). Statistical analysis on consumers’ use of food label information: case study of Colombo district, Sri Lanka, Annual Academic Sessions-2013, The open university of Sri Lanka.

Talagala T. S., & Kalukottege C. J. P. (2012). Statistical analysis on consumers’ use of food labels, Scientific Sessions – 2013, Faculty of Medical Sciences, University of Sri Jayewardenepura.