Publications

Publications

  1. Research papers published in peer reviewed indexed journals
  2. Research papers published in peer reviewed non-indexed journals
  3. Other research publications (monographs, books etc.) by reputed publishers
  4. Research papers/abstracts presented and published in academic symposium, professional bodies at international level
  5. Research papers/abstracts presented and published in academic symposium, professional bodies at national level

1. Research papers published in peer reviewed indexed journals

  1. Whitehead J, Whitehead A, Todd S, Bolland KM, Sooriyarachchi MR. Mid-trial design reviews for sequential clinical trials: Statistics in Medicine. 2001; 20:165-176.
  2. Sooriyarachchi MR, Whitehead J, Bolland K, Whitehead A, Matsushita T. Incorporating data received after a sequential trial has stopped into the final analysis:
    implementation and comparison of methods, Biometrics. 2003; 59: 701-709.
  3. Kelly P, Sooriyarachchi MR, Stallard N, Todd S. A practical comparison of group-sequential and adaptive designs: Journal of Biopharmaceutical Statistics. 2005; 15:719-738.
  4. Sooriyarachchi MR, Whitehead J, Whitehead A, Bolland K. The sequential analysis of binary responses: a score test for the case of three time points Statistics in Medicine. 2005; 25:2196-2214.
  5. Mohamad F, Sooriyarachchi MR, Senarathna L, Azhar S, Sheriff MHR, Buckley NA, et al. Compliance for single and multiple dose regimes of super activated charcoal: a prospective study of patients in a clinical trial. Clinical Toxicology. 2007;
    45: 1-4.
  6. Kuruppumullage P, Sooriyarachchi MR. Log linear models for ordinal multidimensional categorical data: The journal of the National Science Foundation of Sri Lanka. 2007; 35(1): 29-40.
  7. Whitehead A, Sooriyarachchi MR, Whitehead J, Bolland K. Incorporating intermediate binary responses into interim analyses of clinical trials: a comparison of four methods. Statistics in Medicine. 2008; 27:1646-1666.
  8. Abeysekera WWM, Sooriyarachchi MR. A novel method for testing goodness of fit of a proportional odds model: An application to an AIDS study: The journal of the National Science Foundation of Sri Lanka. 2008; 36(2) : 125-135.
  9. Abeysekera WWM, Sooriyarachchi MR. Use of Schoenfeld’s global test to test the proportional hazards assumption in the Cox proportional hazards model: An application to a clinical study: The Journal of the National Science Foundation of Sri Lanka. Volume 37, Issue 1:41-51.
  10. Sunethra AA, Sooriyarachchi MR, Variance-Corrected proportional Harzards models for the analysis of multiple failures in personal computers: Quality and Reliability Engineering International. 2011; 27: 85-97.
  11. Viswakula SD, Sooriyarachchi MR. Diagnostics for matched case control studies: SAS macro for Proc Logistic: Journal of National Science Foundation of Sri Lanka. 2011; 39(1): 13-23.
  12. Siyasinghe N, Sooriyarachchi MR. Guidelines for calculating sample size in 2×2 Crossover Trials: A simulation study: Journal of National Science Foundation of Sri Lanka. 2011; 39(1): 77-89.
  13. Sooriyarachchi MR, Jayatillake RV, Ranganath H, Eddleston M. The use of mid-trial reviews for design modifications in small scale Clinical Trials: Contemporary Clinical Trials. 2010; 31(6): 579-586.
  14. Jayatillake RV, Sooriyarachchi MR, Senarathna, DLP. Adjusting for a cluster effect in the Logistic Regression Model: An illustration of theory and its application: Journal of the National Science Association of Sri Lanka.
  15. Attygalle MDT, Francis B. Using model coverage to improve the forward search algorithm for outlier detection in regression model: Statistics and Computing, 2008.
  16. Tilakaratne CD, Mammadov MA, Morris SA. Modified Neural Network Algorithms for Predicting Trading Signals of Stock Market Indices: Journal of Applied Mathematics and Decision Sciences. 2009; Article ID 125308.
  17. Pan H, Tilakaratne CD, Yearwood J. Predicting the Australian Stock Market Index Using Neural Networks Exploiting Dynamical Swings and Intermarket Influences: Journal of Research and Practice in Information Technology; 2005; 37(1).
  18. Bandara ERAD, Wickremasinghe WN. Exact critical points for testing  sub-hypotheses in nonreplicated three-way experiments; J.Natn. Sci. Foundation, Sri Lanka 2008; 36 (4): 267-273.
  19. Wickremasinghe WN. A general approach to analysis of three-mode data: short review: J.Natn. Sci. Foundation, Sri Lanka 2005; 33(1): 9-16.
  20. Wickremasinghe WN. Mining for Treasures of Information: Data Mining: The Ceylon Journal of Medical Science (special issue); 2002; 45:39-45.
  21. Wickremasinghe WN, Johnson DE, Testing Subhypotheses and Estimating σ2 in the Nonreplicated Three-way Multiplicative Interaction Model: Communications in Statistics (Simulation and Computation); 2002; 31(4)

 

2. Research papers published in peer reviewed non-indexed journals

  1. Dharmarathne TMRT, Sooriyarachchi MR. Failure time regression to determine warranty policies of computers: Sri Lankan Journal of Applied Statistics. 2007; Vol. 8 (Special Issue), 19-33.
  2. Kuruppumullage P, Sooriyarachchi MR. Design and analysis techniques for  many-to-many matched case-control studies: An illustration using the Ille-et-Vilaine database for esophageal cancer: Sri Lankan Journal of Applied Statistics. 2007; Vol. 8 (Special Issue), 55-70.
  3. Yatapana PS, Sooriyarachchi MR. University selection among students of different streams: A comparison of methods. The Sri Lankan Journal of Educational  Research. 2006; Volume 10, Issue 1:1-22.
  4. Perera HLC, Sooriyarachchi MR, Fitting correlation adjusted generalized linear models to clustered dengue data measured over time: Sri Lankan Journal of Applied Statistics. 2008; Vol. 9 (Special Issue): 159-175.
  5. Jayawardana NKPS, Sooriyarachchi MR, Prognostic models with competing risks: Methods and Application to Prostate Cancer data: Sri Lankan Journal of Applied Statistics. 2009; Volume 10: 43-64.
  6. Nadarajah K, Sooriyarachchi MR. A monte-carlo Simulation study of the properties of Residual Maximum Likelihood (REML) estimators for the linear Gaussian mixed model: Sri Lankan Journal of Applied Statistics. 2009; Volume 10: 119-136.
  7. Tilakaratne CD, Morris SA, Mammadov MA, Hurst CP. Quantification of Inter-market Influence on the Australian All Ordinary Index Based on Optimization Techniques: ANZIAM Journal; 2007; 48, C104-C118.
  8. Tharanganie HT, Lakraj GP, Wickremasinghe WN. An Assessment of Computer Awareness and Literacy Among Entry-Level Sri Lankan Undergraduates: Journal of Advances in ICT for Emerging Regions (ICTer); 2011; 4(1).
  9. Fernandopulle CL, Tilakaratne CD, Dharmarathne HASG. Using Co-integration for Stock Market Investment: An Application in Sri Lankan Context: Proceedings of the International Statistics Conference 2010; 2010; Colombo Sri Lanka.
  10. Priyadarshana WJRM, Tilakaratne CD. A Fractional ARIMA Model for Daily Spot Crude Oil Prices of the Organization of Petroleum Exporting Countries (OPEC): Proceedings of the International Statistics Conference; 2010; Colombo Sri Lanka.
  11. Priyadarshana WJRM, Tilakaratne CD. Long Term Co-dependencies and Long Run Non-periodic Co-cycles among Major Oil Indices: A Fractional Time Series Approach: Proceedings of the International Statistics Conference 2010; 2010; Colombo Sri Lanka.
  12. Chandrasekara NV, Tilakaratne CD. Forecasting Exchange Rates Using Artificial Neural Networks: Proceedings of the International Statistics Conference 2010; 2010; Colombo Sri Lanka.
  13. Pitigala S, Wickremasinghe WN, Weerasinghe R. Automated Advertisements  Classification System using Statistical Methods: University of Colombo Review; 2010; 2 (2).

3. Other research publications (monographs, books etc.) by reputed publishers

  1. Sooriyarachchi MR. and Lea N. ‘Estimating probable rainfall for irrigation scheduling in the tropics’ Technical Report OD/TN 49 Hydraulics Research Wallingford, U.K. , August 1990. Results of this report were used in irrigation models in Sri Lanka (Hakwatuna Oya) and Thailand (Kaiesaro).
  2. Sooriyarachchi MR. Co-author, A Statistics book titled, ‘Moolika Sankyanaya (Basic Statistics)’ for the General Certificate Examination (Advanced level) and University first year students, 1996.
  3. Sooriyarachchi MR. Contributor to The International Encyclopedia of Statistical Sciences, 2011. Springer
  4. Tilakaratne CD, Mammadov MA, Morris SA. A Novel Approach for Predicting Trading Signals of a Stock Market Index. Forecasting Models: Methods and Applications, pp 145-160, IConcept Press Ltd., Hong Kong(2010).
  5. Tilakaratne CD. Co-author of the Second Chapter (pg 36-54) of ‘Moolika Sankyanaya’; A text book written in Sinhala for Advanced Level (Mathematics) students, Educational Book Publisher, Colombo, Sri Lanka.

4. Research papers/abstracts presented and published in academic symposium, professional bodies at international level

  1. Sooriyarachchi MR. Incorporating data received after a sequential trial has stopped into the final analysis: A comparison of methods: Proceedings of the 23rd meeting of the International Society for Clinical Biostatistics (ISCB); 2002; Dijon, France.
  2. Sooriyarachchi MR, Whitehead J. Comparing survival curves with non-proportional hazards: An application in sequential clinical trials: Proceedings of the International Sri Lankan Statistical conference: Visions of Futuristic Methodologies; 2004; 467-477.
  3. Whitehead A, Sooriyarachchi MR, Whitehead J, Bolland K. Use of intermediate outcomes to reduce trial duration in sequential designs in stroke: Proceedings of the 26th meeting of the International Society for Clinical Biostatistics(ISCB); 2005; Hungary.
  4. Sooriyarachchi MR, Jayathillake R, Ranganath H, Eddleston M. Use of an internal pilot study in testing hypotheses pertaining to a Gaussian error linear model: An application to a clinical toxicology study: Proceedings of the 27th meeting of the International Society for Clinical Biostatistics (ISCB); 2006; Geneva, Switzerland.
  5. Simmonds M, Sooriyarachchi MR, Whitehead J. Sequential analysis of repeated binary responses using weighted logistic regression: Proceedings of the 27th meeting of the International Society for Clinical Biostatistics (ISCB); 2006; Geneva, Switzerland.
  6. Jayathillake R, Sooriyarachchi MR, Senerathna L. Logistic Regression Model with Cluster Effect: An application in a cross-sectional study in management of poisoned patients in Sri Lanka: Proceedings of the 28th meeting of the International Society for Clinical Biostatistics (ISCB); 2007; Alexanderpoulis Greece.
  7. Sooriyarachchi MR, Kurupumullage P. Analysis of a clinical trial with single and multiple dose treatments: Proceedings of the 29th meeting of the International Society for Clinical Biostatistics (ISCB); 2008; Copenhaegen, Denmark.
  8. Attygalle MDT, Francis B, Scrucca L. Model coverage, forward searching and multiple outlier detection: Proceedings of the 17th IWSM conference; 2002 July 8-12;  Chania ,Greece.
  9. Attygalle MDT, Francis B. Model coverage – an improvement to the forward search algorithm: Proceedings of the International Sri Lankan Statistical Conference: Visions of futuristic Statistical Methodologies; 2004 December 28 – 30.
  10. Samaranayake VK, Gamage G, Jayasinghe U, Attygalle MDT, Wimalaratne SP.  Distant Learning Initiatives in Sri Lanka with specific reference to ICT based learning
    issues and strategies: Proceedings of the IITC conference; 2006.
  11. Jayasundara BMWUCB, Wickramasuriya KT, Arunatilake SMKD, Attygalle MDT, Jayasinghe A. Health Hazards Among Sri Lankan IT Professionals: Proceedings of the e-Asia International IT conference; 2009; Sri Lanka.
  12. Tilakaratne CD, Rangana DLM, Chandrasekara NV. Financial Time Series Forecasting Based on Artificial Neural Network and Support Vector Regression Models: An Application to the Colombo Stock Exchange: Proceedings of the International Statistics Conference 2011, 28-30 Dec, Battaramulla Sri Lanka.
  13. Appuhamy PADAN, Tilakaratne CD. Modelling the association between coconut yield of the Bandirippuwa Estate and climatic factors: A multivariate time series approach: Proceedings of the International Statistics Conference, 201128-30 Dec, Battaramulla Sri Lanka.
  14. Wimal AWS, Perera SK, Tilakaratne CD. An improvement to the existing  measurement of poverty in Sri Lanka: in Proceedings of the Annual Research Symposium of University of Colombo (extended abstract only); 2011.
  15. Napagoda NADN, Tilakaratne CD. A Comparison of NARX and FFNN for Modeling of Soil Temperatures: A Case Study for Bathalagoda Area : Proceedings of the International Statistics Conference 2011, 28-30 Dec, Battaramulla Sri Lanka(abstract only).
  16. Tilakaratne CD, Mammadov MA, Morris SA. Predicting Trading Signals of Stock Market Indices Using Neural Networks, In W. Wobcke and M. Zhang Eds.: Proceedings of the Twenty First Australian Joint Conference on Artificial Intelligence, Lecture Notes in Artificial Intelligence; 2008; 5360:522-531; Springer-Verlag.
  17. Tilakaratne CD. A Neural Network Approach for the Directional Prediction of a Stock Market: An Application to the Australian All Ordinary Index: Proceedings of the International Research Conference on Management and Finance; 2008; Sri Lanka.
  18. Tilakaratne CD, Tissera JHDSP, Mammadov MA. Predicting Trading Signals of the All Share Price Index Using a Modified Neural Network Algorithm: Proceedings of the 9th International Information Technology Conference; 2008; Colombo, Sri Lanka.
  19. Tilakaratne CD, Mammadov MA, Morris SA. Effectiveness of Using Quantified Intermarket Influence for Predicting Trading Signals of Stock Markets, in P. Christen, P.  Kennedy, J. Li, I. Kolvshkina, and G. Williams Ed.: Proceedings of the Sixth Australian Data Mining Conference (AusDM 2007), Conferences in Research and Practice in Information Technology (CRPIT);2007; 70, 167-175. http://crpit.com/confpapers/CRPITV70Tilakaratne.pdf
  20. Tilakaratne CD, Morris SA, Mammadov MA, Hurst CP. Predicting Stock Market Index Trading Signals Using Neural Networks: Proceedings of the 14th Annual Global Finance Conference (GFC 2007); 2007 Melbourne, Australia.
  21. Tilakaratne CD, Mammadov MA, Hurst CP. Quantification of Intermarket Influence Based on the Global Optimization and Its Application for Stock Market Prediction: Proceedings of the International Workshop on Integrating AI and Data Mining (AIDM’06); 2006; Hobart, Tasmania, Australia. http://doi.ieeecomputersociety.org /10.1109/AIDM.2006.14
  22. Tilakaratne CD. A Study of Intermarket Influence on the Australian All Ordinary Index at Different Time Periods: Proceedings of the 2nd Australian Business and Behavioural Sciences Association (ABBSA) International Conference; 2006; Adelaide, Australia.
  23. Pan H, Tilakaratne CD, Yearwood J. Intermarket Influence Analysis Using  Asymmetrical Dependence Test and an Application for Australia and G7 Industrial Countries: Proceedings of the 1st International Workshop on Intelligent Finance; 2004; Melbourne, Australia.
  24. Pan H, Tilakaratne CD, Yearwood J, Hurst C. Asymmetrical Dependence Test for Intermarket Influence Analysis: Proceedings of the 6th International Conference on Optimization Techniques and Applications; 2004; Ballarat, Australia.
  25. Wickremasinghe WN, Dilhani PGR. A note on the general factor model and oblique rotations in multivariate analysis: Contributed poster in International Statistics Conference; 2010 January; Colombo.
  26. Kuruwita CN,. Wickremasinghe WN. Mining Multiple Body Measurements of Males for the Feasibility of Assigning a Personal Code: in Proc. of SCRA 2002; University of Allahabad, India.
  27. Abeygunawardena RAB. Simultaneous Cumulative Sum Charting Scheme:  Proceedings of the 2nd Mathematics and Physical Science Graduate Student Congress; 2006; National University of Singapore, Singapore.
  28. Weerasinghe ND, Karunaratne A, Ranasinghe DN. Method for controlling the call placement ratio for outbound dialing of a call center: in Proceedings of the 4th International Statistics Conference-2011;2011.
  29. Deshani KAD, Karunaratne A. Analysis of efficiency in multichannel systems: in Proceedings of the 4th International Statistics Conference-2011;2011

5. Research papers/abstracts presented and published in academic symposium, professional bodies at national level

  1. Madanasinghe NS, Sooriyarachchi MR. Risk factors for long-term complications in type 2 Diabetes in the Western Province of Sri Lanka: Sri Lanka Association for the Advacement of Science , 2000.
  2. Tissera JHDSP, Sooriyarachchi MR. A study on evaluating the efficacy of sweeping the Membranes in stimulating the onset of labour: Sri Lanka Association for the Advancement of Science, 2000.
  3. Wijetunga SD, Sooriyarachchi MR. Study of defaulting among central STD clinic attendees and the impact of an intervention programme: Annual sessions Faculty of Science, University of Colombo, 2000.
  4. Mathugama SC, Sooriyarachchi MR. A study to identify factors affecting substance use among school children: Annual sessions Faculty of Science, University of Colombo, 2000.
  5. Edirisooriya MLNS, Sooriyarachchi MR. A study on the factors influencing the academic performance and repeating of exams in the National Diploma in  Technology (N.D.T.) in Sri Lanka: Annual sessions Faculty of Science, University of Colombo, 2000.
  6. Sooriyarachchi MR. Recent advances in Regression models for Survival data: Stat Day, 2003, Stat circle University of Colombo.
  7. Withanage DAD, Sooriyarachchi MR. A study on influence of factors effecting Educational achievement of students in Colombo: Proceedings of the Sri Lankan Association for the Advancement of Science (SLAAS); 2003; Sri Lanka.
  8. Kottachchi D, Sooriyarachchi MR. An analysis of standard of degrees awarded by Sri Lankan universities: Proceedings of the Sri Lankan Association for the Advancement of Science (SLAAS); 2003; Sri Lanka.
  9. Sooriyarachchi MR, Wedage DM. The Re-Housing Programme – Different views and factors that influence it: Proceedings of the Sri Lankan Association for the Advancement of Science (SLAAS); 2003; Sri Lanka.
  10. Sooriyarachchi MR, Premarathne ST. Baseline-category logit modelling for the Hiroshima bomb disaster data: Proceedings of the sixth annual general meeting of the Applied Statistics Association of Sri Lanka, 2005
  11. Balachandran L, Sooriyarachchi MR. Study of oral cavity cancer: Proceedings of the joint annual sessions, Faculties of Medicine and Science, University of Colombo; 2004.
  12. Sooriyarachchi MR. Mortality (Death) Statistics and its uses in decision making: Proceedings of the Stat Day , organized by the Stat Circle University of Colombo, 2005.
  13. Jayasundera DRT, Sooriyarachchi MR. A study on factors affecting the formation of cataract: Proceedings of the Sri Lankan Association for the Advancement of Science (SLAAS); 2006; Sri Lanka.
  14. Jayathillake R, Sooriyarachchi MR. Factors affecting the prevalence of lung cancer and the survival of lung cancer patients: Proceedings of the Sri Lankan Association for the Advancement of Science (SLAAS); 2006; Sri Lanka.
  15. Sooriyarachchi MR. Computer Simulation as a Statistics Teaching tool: Proceedings of the Stat Day, organized by the Stat Circle University of Colombo, 2006.
  16. Yatapana PS, Sooriyarachchi MR. Descriptive Evaluation of the Common Currency Index Method: A new Selection Method for University Admission in Sri Lanka: Proceedings of the annual sessions of the University of Colombo, 2010.
  17. Abeysekera W. Sooriyarachchi MR. A study of the factors effecting knowledge and practices of HIV AIDS among up-country estate plantation workers: Sri Lankan Association for the Advancement of Science (SLAAS); 2007.
  18. Sooriyarachchi MR. A career as a Medical Statistician: Proceedings of the Stat Day, organized by the Stat Circle University of Colombo, 2007.
  19. Dharmarathne TMRT, Sooriyarachchi MR. Failure time regression to determine warranty policies of computers: Proceedings (abstracts) of the National Conference in Statistics, 2008.
  20. Kuruppumullage P, Sooriyarachchi MR. Design and analysis techniques for many-to-many matched case-control studies: An illustration using the Ille-et-Vilaine database for esophageal cancer: Proceedings (abstracts) of the National Conference in Statistics, 2008.
  21. Perera L, Sooriyarachchi MR. An Epidemiological Study of Dengue Fever: Proceedings of the annual sessions of the University of Colombo; 2008.
  22. Lakraj GP, Sooriyarachchi MR. A nutritional study of school children: Proceedings of the annual sessions of the University of Colombo; 2008.
  23. Jayawardana NKPS, Sooriyarachchi MR. Prognostic models with competing risks : Methods and Application to Prostate Cancer data: Proceedings of the annual sessions of the University of Colombo, 2008.
  24. Nadarajah K, Sooriyarachchi MR. A monte-carlo Simulation study of the properties of Residual Maximum Likelihood (REML) estimators for the linear Gaussian mixed model: Proceedings (abstracts) of the National Conference in Statistics, 2010.
  25. Yatapana PS, Sooriyarachchi MR. Descriptive Evaluation of the Common Currency Index Method : A new Selection Method for University Admission in Sri Lanka: Proceedings of the annual sessions of the University of Colombo, 2010.
  26. Pathirathne L, Sooriyarachchi MR. A study of Life Expectancy for countries of the United Nations: Accepted for the annual sessions of the Sri Lankan Association for the Advancement of Science (SLAAS), 2010.
  27. Madubhani HAPP, Sooriyarachchi MR. An Epidemiological Study of Viral Hepatitis in Sri Lanka: Accepted for the annual sessions of the Sri Lankan Association for the Advancement of Science (SLAAS), 2010.
  28. Ranaweera D, Sooriyarachchi MR. Modelling Predominant Breast Feeding and Time to Stopping Breast Feeding. Proceedings of the Jaffna Research symposium,  November 2010.
  29. Madhubani P, Sooriyarachchi MR. Epidemiological Modeling of Viral Hepatitis in Sri Lanka: Proceedings of the Jaffna Research symposium, November 2010.
  30. Wickramasinghe WMPM, Wickremasinghe WN, Abeygunawardena RAB. A Detailed  Analysis of a Genotype-Environment Study on Rice in Sri Lanka: in Proceedings of the Annual Research Symposium of University of Colombo (extended abstract only); 2011.
  31. Deepawansa MDDD, Sooriyarachchi MR, Wickremasinghe WN. Determinants of Poverty in Sri Lanka: in Proceedings of the Annual Research Symposium of University of Colombo (extended abstract only); 2011.
  32. Tharanganie HT, Wickremasinghe WN, Lakraj GP. Factors Affecting Computer Awareness and Computer Literacy in Sri Lankan Undergraduates: in Proceedings of the Third International Symposium- Sabaragamuwa University of Sri Lanka, (abstract only); 2010.
  33. Wickremasinghe WN. Role of Statistics in Decision-making for Sustainable Development: in Proc. of the Annual Sessions of SLAAS; 2009.
  34. Bomiriya RP, Wickremasinghe WN. Estimating the size of a closed population: a comparison of approaches: in Proc. of the Annual Research Symposium, University of Colombo, (abstract only); 2008.
  35. Bandara ERAD, Wickremasinghe WN. An Analysis of a Non-replicated Three-Factor Experiment Using Some Improved Results: in Proceedings of the 63rd Annual Sessions, (abstract only) SLAAS; 2007.
  36. Rajamuni RDPM, Abeygunawardena RAB. Factors influencing for entering the Physical Science stream through the 1st attempt of the G.C.E.(A/L) examination: Proceedings of the Annual Research Symposium 2011; University of Colombo, Sri Lanka.
  37. De Silva HVS, Karunaratne A, Dharmarathne HASG: Effects of Socio- economic and academic factors on the performance of engineering students at the University of Moratuwa: in Proceedings of the Annual Research Symposium of University of Colombo; 2010.