- Faculty of Business
- Department of Decision Sciences
- Senior Lecturer Grade II
Contact information
Department of Decision Sciences
Faculty of Business
University of Moratuwa
Moratuwa
10400
Teaching and Administrative Activities
DA3450: Numerical Methods for Business -Undergraduate -2022
STAT 44863: Special Topics in Statistics (Resampling Techniques and Their Applications), University of Kelaniya, Sri Lanka -Undergraduate -2022
DA4110: Machine Learning -Undergraduate -2022
DA4420: Financial Econometrics -Undergraduate -2022
DA3430: Stochastic Processes and Distributional Theory (with Dr. (Ms) Sulanie Perera ) -Undergraduate -2022
DA1121: Probability and Statistics for Business - II -Undergraduate -2022
Secretary-BRU - (2023 To date)
FOB Representative-Sports Adviosy Committee - (2023 To date)
Convener-BOS for RD & Research Coordinator-Dept. of Decision Sciences - (2023 To date)
MBAn Coordinator-Intake 2024 - (2024 To date)
Research Activities
Mathematical Probability and Statistics
Nonparametric and Semiparametric Modeling
Resampling Methods
Multiple Comparison Procedures
Linear Models
Statistical Learning Theory
Education and Professional Affiliations
PhD, The University of Texas at Dallas, USA ,2020 -
Statistics
Dissertation: Nonparametric Multiple Comparisons and Simultaneous Confidence Intervals for General Multivariate Factorial Designs
(Advisor: Prof. Frank Konietschke)
Masters, The University of Texas at Dallas, USA ,2017 - Statistics
Masters, Sam Houston State University, USA ,2015 -
Statistics
Practicum: Bayesian Approach for Testing Independence in Two-Way Contingency Tables
(Advisor: Prof. Ferry Butar Butar)
Bachelors, University of Kelaniya, Sri Lanka ,2011 -
Mathematics
(Specialized in Pure Mathematics and Statistics, Grade: First Class Honors)
Thesis: An Urban Water Consumption Model: Case Study in Gampaha District, Sri Lanka
(Advisor: Prof. D. D. Sarath Kulatunga)
Career
Research Associate (Jan 2019 - Dec 2020)
https://biometrie.charite.de/
Teaching Assistant (Sep 2015 - Dec 2018)
Department of Mathematical Sciences, The University of Texas at Dallas, USA
https://math.utdallas.edu/
Research Intern (Jun 2018 - Aug 2018)
Computer Science and Mathematics Division, Oak Ridge National Laboratory, USA
https://www.ornl.gov/division/csmd
Graduate Teaching Assistant (Sep 2013 - May 2015)
Department of Mathematics and Statistics, Sam Houston State University, USA
https://www.shsu.edu/academics/mathematics-and-statistics/
Temporary Lecturer (Jan 2013 - Jul 2013)
Temporary Tutor (Dec 2011 - Dec 2012)
Department of Mathematics, University of Kelaniya, Sri Lanka
https://science.kln.ac.lk/depts/maths/
Honours and Awards
The Leopold Karl Schmetterer Prize (Received 2020)
SAMSI Travel Award to Industrial Math/Stat Modeling Workshop (Received 2018)
NSF Mathematical Science Graduate Internship Award (Received 2018)
UTD School of Natural Sciences and Mathematics Scholarship (Received 2018)
SAMSI Travel Award to Workshop on Mathematical and Statistical Methods for Climate and Earth System (Received 2017)
UTD Graduate Tuition Scholarship (Received 2015)
Certificate of Pi-Mu-Epsilon, Texas Epsilon Chapter for the excellent achievement in Mathematics (Received 2015)
SHSU Special Graduate Scholarship Award (Received 2015)
Certificate of Merit for the Outstanding Teaching Assistant Award, SHSU (Received 2014)
SHSU Graduate Studies Scholarship (Received 2014)
SHSU Graduate Teaching Assistantship (Received 2013)
Publications*
Nadeekantha, H. A. D. D., Kavinga, H. W. B., Gunawardana, A., & Dissanayaka, D. M. P. V.,".A comparison of distance-based and model-based clustering methods.",International Conference on Applied and Pure Sciences 2023,Faculty of Science, University of Kelaniya, Sri Lanka,2023,p.97
Erandi, J. D. T., Liyanage, U. P., & Gunawardana, A. ,".Estimating COVID-19 prevalence in Sri Lanka.",International Conference on Applied and Pure Sciences 2023,Faculty of Science, University of Kelaniya, Sri Lanka,2023,p.88
Bandaranayake, B. M. E. P., Perera, M. K. P. L., Lakmini, W. R., Nageswaran, N., Perera, S. D., Gunawardana, A., & Perera, N. A.,".Detecting Possible Outliers in the Colombo Stock Exchange.",International Conference on Business Research 2023,University of Moratuwa, Sri Lanka,2023,
Cooray, M. S. S., Bandara, A. A. N. S., Perera, A. A. H., Lankeshwarie, A. B. D., Dassanayake, S. M., Gunawardana, A., & Prasanna, R.,".Community-Based Evacuation Routes for Hydrometeorological Hazards Resilience: A Case Study of Ratnapura District in Sri Lanka.",International Conference on Business Research 2023,University of Moratuwa, Sri Lanka,2023,
Jayasinghe, S. N., Madurasinghe, M. A. V. N., Weerahannedige, D. C., Weerakoon, D. R. Y. Y. B., Dassanayake, S. M., Gunawardana, A., Dissanayake, D. M. P. V., & Prasanna, R.,".Flood Risk Assessment in the Vulnerable Economic Zones: A Case Study in the Kelani River Basin.",International Conference on Business Research 2023,University of Moratuwa, Sri Lanka,2023,
Cooray, M. S. S., Bandara A. A. N. S., Perera A. A. H., Lankeshwarie A. B. D., Dassanayake, S. M., & Gunawardana, A.,".COMMUNITY-CENTRIC DESIGN OF FLOOD EVACUATION ROUTE SUGGESTION ENGINE FOR RATHNAPURA DISTRICT, SRI LANKA.",Peradeniya University International Research Sessions 2023,University of Peradeniya, Sri Lanka,2023,p.165
Tan, M. L., Senaweera, O., & Gunawardana, A.,".New Zealand COVID Tracer App: understanding usage and user sentiments.",ISCRAM Asia Pacific Conference 2022,Melbourne, Australia,2022,
Gunawardana, A., & Konietschke, F.,".Wild bootstrapping rank-based procedure: Multiple testing on multivariate data.",International Conference on Applied and Pure Sciences 2020,Faculty of Science, University of Kelaniya, Sri Lanka,2020,p.67
Gunawardana, A., & Konietschke, F.,".Nonparametric multiple comparisons and simultaneous confidence intervals for multivariate designs.",Joint Conference of the GMDS & CEN-IBS 2020,Berlin, Germany,2020,
Gunawardana, K. D. A. M., & Kulatunga, D. D. S.,".An Urban Water Consumption Model for Gampaha District, Sri Lanka.",13th Annual Research Symposium,Faculty of Graduate Studies, University of Kelaniya, Sri Lanka,2012,p.67
Erandi, J. D. T., Liyanage, U. P., & Gunawardana, A.,".Estimating COVID-19 Prevalence in Sri Lanka: A Dynamic Sampling Model Approach.",Sri Lankan Journal of Applied Statistics,24 (3),2023
Foda, A., Kellner, E., Gunawardana, A., Gao, X., Janz, M., Kufner, A., Khalil, A.A., Geran, R., Mekle, R., Fiebach, J.B., & Galinovic, I.,".Differentiation of cerebral neoplasms with vessel size imaging (VSI).",Clinical neuroradiology,32 (1),2022
Konietschke, F., Cao, C., Gunawardana, A., & Zimmermann, G.,".Analysis of covariance under variance heteroscedasticity in general factorial designs.",Statistics in Medicine,40 (21),2021
Haupt, F., Meinel, M., Gunawardana, A., & Hulsmann, M.,".Effectiveness of different activated irrigation techniques on debris and smear layer removal from curved root canals: a SEM evaluation.",Australian Endodontic Journal,46 (1),2020
Gunawardana, A., & Konietschke, F.,".Nonparametric multiple contrast tests for general multivariate factorial designs.",Journal of Multivariate Analysis,173,2019
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